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Finding the Fourth Proportional to 592,911.80, 888,435.80 and 458,305.40

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Solution

The fourth proportional to 592,911.80, 888,435.80 and 458,305.40 is: 686,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,911.80 : 888,435.80 = 458,305.40 : x
  2. Step 2: Convert to fraction form
    592,911.80/888,435.80 = 458,305.40/x
  3. Step 3: Cross multiply
    592,911.80x = 888,435.80 × 458,305.40
  4. Step 4: Simplify right side
    592,911.80x = 407,174,924,693.32
  5. Step 5: Solve for x
    x = 407,174,924,693.32/592,911.80
  6. Step 6: Final answer
    x = 686,737.77

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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.