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Finding the Fourth Proportional to 605,094.30, 907,641.45 and 437,132.70

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Solution

The fourth proportional to 605,094.30, 907,641.45 and 437,132.70 is: 655,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,094.30 : 907,641.45 = 437,132.70 : x
  2. Step 2: Convert to fraction form
    605,094.30/907,641.45 = 437,132.70/x
  3. Step 3: Cross multiply
    605,094.30x = 907,641.45 × 437,132.70
  4. Step 4: Simplify right side
    605,094.30x = 396,759,757,670.42
  5. Step 5: Solve for x
    x = 396,759,757,670.42/605,094.30
  6. Step 6: Final answer
    x = 655,699.05

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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.