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Finding the Fourth Proportional to 527,260, 791,024.88 and 153,283

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Solution

The fourth proportional to 527,260, 791,024.88 and 153,283 is: 229,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,260 : 791,024.88 = 153,283 : x
  2. Step 2: Convert to fraction form
    527,260/791,024.88 = 153,283/x
  3. Step 3: Cross multiply
    527,260x = 791,024.88 × 153,283
  4. Step 4: Simplify right side
    527,260x = 121,250,666,681.04
  5. Step 5: Solve for x
    x = 121,250,666,681.04/527,260
  6. Step 6: Final answer
    x = 229,963.71

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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.