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Finding the Fourth Proportional to 527,259, 791,023.38 and 153,282

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Solution

The fourth proportional to 527,259, 791,023.38 and 153,282 is: 229,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,259 : 791,023.38 = 153,282 : x
  2. Step 2: Convert to fraction form
    527,259/791,023.38 = 153,282/x
  3. Step 3: Cross multiply
    527,259x = 791,023.38 × 153,282
  4. Step 4: Simplify right side
    527,259x = 121,249,645,733.16
  5. Step 5: Solve for x
    x = 121,249,645,733.16/527,259
  6. Step 6: Final answer
    x = 229,962.21

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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.