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Finding the Fourth Proportional to 527,008.25, 790,534.25 and 153,031.25

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Solution

The fourth proportional to 527,008.25, 790,534.25 and 153,031.25 is: 229,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,008.25 : 790,534.25 = 153,031.25 : x
  2. Step 2: Convert to fraction form
    527,008.25/790,534.25 = 153,031.25/x
  3. Step 3: Cross multiply
    527,008.25x = 790,534.25 × 153,031.25
  4. Step 4: Simplify right side
    527,008.25x = 120,976,444,445.31
  5. Step 5: Solve for x
    x = 120,976,444,445.31/527,008.25
  6. Step 6: Final answer
    x = 229,553.23

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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.