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Finding the Fourth Proportional to 453,301.78, 625,537.16 and 249,339.76

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Solution

The fourth proportional to 453,301.78, 625,537.16 and 249,339.76 is: 344,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,301.78 : 625,537.16 = 249,339.76 : x
  2. Step 2: Convert to fraction form
    453,301.78/625,537.16 = 249,339.76/x
  3. Step 3: Cross multiply
    453,301.78x = 625,537.16 × 249,339.76
  4. Step 4: Simplify right side
    453,301.78x = 155,971,285,345.48
  5. Step 5: Solve for x
    x = 155,971,285,345.48/453,301.78
  6. Step 6: Final answer
    x = 344,078.25

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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.