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Finding the Fourth Proportional to 605,116.90, 907,675.35 and 547,056.10

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Solution

The fourth proportional to 605,116.90, 907,675.35 and 547,056.10 is: 820,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,116.90 : 907,675.35 = 547,056.10 : x
  2. Step 2: Convert to fraction form
    605,116.90/907,675.35 = 547,056.10/x
  3. Step 3: Cross multiply
    605,116.90x = 907,675.35 × 547,056.10
  4. Step 4: Simplify right side
    605,116.90x = 496,549,337,037.14
  5. Step 5: Solve for x
    x = 496,549,337,037.14/605,116.90
  6. Step 6: Final answer
    x = 820,584.15

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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.