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Finding the Fourth Proportional to 453,053.74, 625,216.48 and 249,117.81

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Solution

The fourth proportional to 453,053.74, 625,216.48 and 249,117.81 is: 343,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,053.74 : 625,216.48 = 249,117.81 : x
  2. Step 2: Convert to fraction form
    453,053.74/625,216.48 = 249,117.81/x
  3. Step 3: Cross multiply
    453,053.74x = 625,216.48 × 249,117.81
  4. Step 4: Simplify right side
    453,053.74x = 155,752,561,255.78
  5. Step 5: Solve for x
    x = 155,752,561,255.78/453,053.74
  6. Step 6: Final answer
    x = 343,783.86

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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.