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Finding the Fourth Proportional to 453,017.07, 625,163.94 and 249,071.49

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Solution

The fourth proportional to 453,017.07, 625,163.94 and 249,071.49 is: 343,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,017.07 : 625,163.94 = 249,071.49 : x
  2. Step 2: Convert to fraction form
    453,017.07/625,163.94 = 249,071.49/x
  3. Step 3: Cross multiply
    453,017.07x = 625,163.94 × 249,071.49
  4. Step 4: Simplify right side
    453,017.07x = 155,710,514,030.07
  5. Step 5: Solve for x
    x = 155,710,514,030.07/453,017.07
  6. Step 6: Final answer
    x = 343,718.87

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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.