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Finding the Fourth Proportional to 292,545.90, 438,221.34 and 245,025.18

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Solution

The fourth proportional to 292,545.90, 438,221.34 and 245,025.18 is: 367,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,545.90 : 438,221.34 = 245,025.18 : x
  2. Step 2: Convert to fraction form
    292,545.90/438,221.34 = 245,025.18/x
  3. Step 3: Cross multiply
    292,545.90x = 438,221.34 × 245,025.18
  4. Step 4: Simplify right side
    292,545.90x = 107,375,262,713.34
  5. Step 5: Solve for x
    x = 107,375,262,713.34/292,545.90
  6. Step 6: Final answer
    x = 367,037.32

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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.