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Finding the Fourth Proportional to 555,154.92, 832,607.82 and 255,347.46

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Solution

The fourth proportional to 555,154.92, 832,607.82 and 255,347.46 is: 382,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,154.92 : 832,607.82 = 255,347.46 : x
  2. Step 2: Convert to fraction form
    555,154.92/832,607.82 = 255,347.46/x
  3. Step 3: Cross multiply
    555,154.92x = 832,607.82 × 255,347.46
  4. Step 4: Simplify right side
    555,154.92x = 212,604,292,013.14
  5. Step 5: Solve for x
    x = 212,604,292,013.14/555,154.92
  6. Step 6: Final answer
    x = 382,963.90

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1.5x scale

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.