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Finding the Fourth Proportional to 453,065.75, 625,246.79 and 249,132.18

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Solution

The fourth proportional to 453,065.75, 625,246.79 and 249,132.18 is: 343,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,065.75 : 625,246.79 = 249,132.18 : x
  2. Step 2: Convert to fraction form
    453,065.75/625,246.79 = 249,132.18/x
  3. Step 3: Cross multiply
    453,065.75x = 625,246.79 × 249,132.18
  4. Step 4: Simplify right side
    453,065.75x = 155,769,094,585.04
  5. Step 5: Solve for x
    x = 155,769,094,585.04/453,065.75
  6. Step 6: Final answer
    x = 343,811.24

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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.