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Finding the Fourth Proportional to 569,130.10, 853,695.15 and 542,886.10

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Solution

The fourth proportional to 569,130.10, 853,695.15 and 542,886.10 is: 814,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,130.10 : 853,695.15 = 542,886.10 : x
  2. Step 2: Convert to fraction form
    569,130.10/853,695.15 = 542,886.10/x
  3. Step 3: Cross multiply
    569,130.10x = 853,695.15 × 542,886.10
  4. Step 4: Simplify right side
    569,130.10x = 463,459,230,572.42
  5. Step 5: Solve for x
    x = 463,459,230,572.42/569,130.10
  6. Step 6: Final answer
    x = 814,329.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.