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Finding the Fourth Proportional to 527,881.70, 791,822.55 and 517,384.10

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Solution

The fourth proportional to 527,881.70, 791,822.55 and 517,384.10 is: 776,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,881.70 : 791,822.55 = 517,384.10 : x
  2. Step 2: Convert to fraction form
    527,881.70/791,822.55 = 517,384.10/x
  3. Step 3: Cross multiply
    527,881.70x = 791,822.55 × 517,384.10
  4. Step 4: Simplify right side
    527,881.70x = 409,676,397,391.46
  5. Step 5: Solve for x
    x = 409,676,397,391.46/527,881.70
  6. Step 6: Final answer
    x = 776,076.15

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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.