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Finding the Fourth Proportional to 529,596.17, 730,788.10 and 314,694.72

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Solution

The fourth proportional to 529,596.17, 730,788.10 and 314,694.72 is: 434,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,596.17 : 730,788.10 = 314,694.72 : x
  2. Step 2: Convert to fraction form
    529,596.17/730,788.10 = 314,694.72/x
  3. Step 3: Cross multiply
    529,596.17x = 730,788.10 × 314,694.72
  4. Step 4: Simplify right side
    529,596.17x = 229,975,156,607.17
  5. Step 5: Solve for x
    x = 229,975,156,607.17/529,596.17
  6. Step 6: Final answer
    x = 434,246.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.