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Finding the Fourth Proportional to 545,244.69, 817,626.45 and 292,449.36

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Solution

The fourth proportional to 545,244.69, 817,626.45 and 292,449.36 is: 438,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,244.69 : 817,626.45 = 292,449.36 : x
  2. Step 2: Convert to fraction form
    545,244.69/817,626.45 = 292,449.36/x
  3. Step 3: Cross multiply
    545,244.69x = 817,626.45 × 292,449.36
  4. Step 4: Simplify right side
    545,244.69x = 239,114,332,021.57
  5. Step 5: Solve for x
    x = 239,114,332,021.57/545,244.69
  6. Step 6: Final answer
    x = 438,545.00

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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.