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Finding the Fourth Proportional to 610,688.01, 915,589.15 and 410,511.90

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Solution

The fourth proportional to 610,688.01, 915,589.15 and 410,511.90 is: 615,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,688.01 : 915,589.15 = 410,511.90 : x
  2. Step 2: Convert to fraction form
    610,688.01/915,589.15 = 410,511.90/x
  3. Step 3: Cross multiply
    610,688.01x = 915,589.15 × 410,511.90
  4. Step 4: Simplify right side
    610,688.01x = 375,860,241,585.89
  5. Step 5: Solve for x
    x = 375,860,241,585.89/610,688.01
  6. Step 6: Final answer
    x = 615,470.15

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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.