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Finding the Fourth Proportional to 569,118.60, 853,721.10 and 169,728.12

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Solution

The fourth proportional to 569,118.60, 853,721.10 and 169,728.12 is: 254,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,118.60 : 853,721.10 = 169,728.12 : x
  2. Step 2: Convert to fraction form
    569,118.60/853,721.10 = 169,728.12/x
  3. Step 3: Cross multiply
    569,118.60x = 853,721.10 × 169,728.12
  4. Step 4: Simplify right side
    569,118.60x = 144,900,477,307.33
  5. Step 5: Solve for x
    x = 144,900,477,307.33/569,118.60
  6. Step 6: Final answer
    x = 254,605.06

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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.