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Finding the Fourth Proportional to 527,153.76, 790,807.80 and 167,204.52

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Solution

The fourth proportional to 527,153.76, 790,807.80 and 167,204.52 is: 250,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,153.76 : 790,807.80 = 167,204.52 : x
  2. Step 2: Convert to fraction form
    527,153.76/790,807.80 = 167,204.52/x
  3. Step 3: Cross multiply
    527,153.76x = 790,807.80 × 167,204.52
  4. Step 4: Simplify right side
    527,153.76x = 132,226,638,611.26
  5. Step 5: Solve for x
    x = 132,226,638,611.26/527,153.76
  6. Step 6: Final answer
    x = 250,831.25

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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.