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Finding the Fourth Proportional to 453,060.72, 625,239.86 and 249,127.18

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Solution

The fourth proportional to 453,060.72, 625,239.86 and 249,127.18 is: 343,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,060.72 : 625,239.86 = 249,127.18 : x
  2. Step 2: Convert to fraction form
    453,060.72/625,239.86 = 249,127.18/x
  3. Step 3: Cross multiply
    453,060.72x = 625,239.86 × 249,127.18
  4. Step 4: Simplify right side
    453,060.72x = 155,764,243,145.40
  5. Step 5: Solve for x
    x = 155,764,243,145.40/453,060.72
  6. Step 6: Final answer
    x = 343,804.34

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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.