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Finding the Fourth Proportional to 659,548, 910,176.32 and 373,061.92

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Solution

The fourth proportional to 659,548, 910,176.32 and 373,061.92 is: 514,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,548 : 910,176.32 = 373,061.92 : x
  2. Step 2: Convert to fraction form
    659,548/910,176.32 = 373,061.92/x
  3. Step 3: Cross multiply
    659,548x = 910,176.32 × 373,061.92
  4. Step 4: Simplify right side
    659,548x = 339,552,125,477.73
  5. Step 5: Solve for x
    x = 339,552,125,477.73/659,548
  6. Step 6: Final answer
    x = 514,825.49

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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.