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Finding the Fourth Proportional to 545,560.60, 752,612.86 and 423,869.13

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Solution

The fourth proportional to 545,560.60, 752,612.86 and 423,869.13 is: 584,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,560.60 : 752,612.86 = 423,869.13 : x
  2. Step 2: Convert to fraction form
    545,560.60/752,612.86 = 423,869.13/x
  3. Step 3: Cross multiply
    545,560.60x = 752,612.86 × 423,869.13
  4. Step 4: Simplify right side
    545,560.60x = 319,009,358,195.01
  5. Step 5: Solve for x
    x = 319,009,358,195.01/545,560.60
  6. Step 6: Final answer
    x = 584,736.80

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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.