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Finding the Fourth Proportional to 577,389.25, 866,444.73 and 277,901.47

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Solution

The fourth proportional to 577,389.25, 866,444.73 and 277,901.47 is: 417,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,389.25 : 866,444.73 = 277,901.47 : x
  2. Step 2: Convert to fraction form
    577,389.25/866,444.73 = 277,901.47/x
  3. Step 3: Cross multiply
    577,389.25x = 866,444.73 × 277,901.47
  4. Step 4: Simplify right side
    577,389.25x = 240,786,264,140.75
  5. Step 5: Solve for x
    x = 240,786,264,140.75/577,389.25
  6. Step 6: Final answer
    x = 417,025.89

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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.