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Finding the Fourth Proportional to 868,643.10, 1,302,930.27 and 363,073.50

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Solution

The fourth proportional to 868,643.10, 1,302,930.27 and 363,073.50 is: 544,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,643.10 : 1,302,930.27 = 363,073.50 : x
  2. Step 2: Convert to fraction form
    868,643.10/1,302,930.27 = 363,073.50/x
  3. Step 3: Cross multiply
    868,643.10x = 1,302,930.27 × 363,073.50
  4. Step 4: Simplify right side
    868,643.10x = 473,059,453,384.85
  5. Step 5: Solve for x
    x = 473,059,453,384.85/868,643.10
  6. Step 6: Final answer
    x = 544,595.88

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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.