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Finding the Fourth Proportional to 453,053.72, 625,230.20 and 249,120.18

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Solution

The fourth proportional to 453,053.72, 625,230.20 and 249,120.18 is: 343,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,053.72 : 625,230.20 = 249,120.18 : x
  2. Step 2: Convert to fraction form
    453,053.72/625,230.20 = 249,120.18/x
  3. Step 3: Cross multiply
    453,053.72x = 625,230.20 × 249,120.18
  4. Step 4: Simplify right side
    453,053.72x = 155,757,460,588.24
  5. Step 5: Solve for x
    x = 155,757,460,588.24/453,053.72
  6. Step 6: Final answer
    x = 343,794.68

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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.