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Finding the Fourth Proportional to 610,464.90, 915,065.55 and 273,666.90

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Solution

The fourth proportional to 610,464.90, 915,065.55 and 273,666.90 is: 410,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,464.90 : 915,065.55 = 273,666.90 : x
  2. Step 2: Convert to fraction form
    610,464.90/915,065.55 = 273,666.90/x
  3. Step 3: Cross multiply
    610,464.90x = 915,065.55 × 273,666.90
  4. Step 4: Simplify right side
    610,464.90x = 250,423,152,365.30
  5. Step 5: Solve for x
    x = 250,423,152,365.30/610,464.90
  6. Step 6: Final answer
    x = 410,217.12

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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.