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Finding the Fourth Proportional to 545,337.17, 752,370.48 and 315,769.13

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Solution

The fourth proportional to 545,337.17, 752,370.48 and 315,769.13 is: 435,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,337.17 : 752,370.48 = 315,769.13 : x
  2. Step 2: Convert to fraction form
    545,337.17/752,370.48 = 315,769.13/x
  3. Step 3: Cross multiply
    545,337.17x = 752,370.48 × 315,769.13
  4. Step 4: Simplify right side
    545,337.17x = 237,575,371,907.28
  5. Step 5: Solve for x
    x = 237,575,371,907.28/545,337.17
  6. Step 6: Final answer
    x = 435,648.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.