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Finding the Fourth Proportional to 536,447.80, 804,671.70 and 477,350.20

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Solution

The fourth proportional to 536,447.80, 804,671.70 and 477,350.20 is: 716,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,447.80 : 804,671.70 = 477,350.20 : x
  2. Step 2: Convert to fraction form
    536,447.80/804,671.70 = 477,350.20/x
  3. Step 3: Cross multiply
    536,447.80x = 804,671.70 × 477,350.20
  4. Step 4: Simplify right side
    536,447.80x = 384,110,196,929.34
  5. Step 5: Solve for x
    x = 384,110,196,929.34/536,447.80
  6. Step 6: Final answer
    x = 716,025.30

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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.