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Finding the Fourth Proportional to 453,034.64, 625,175.06 and 249,085.28

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Solution

The fourth proportional to 453,034.64, 625,175.06 and 249,085.28 is: 343,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,034.64 : 625,175.06 = 249,085.28 : x
  2. Step 2: Convert to fraction form
    453,034.64/625,175.06 = 249,085.28/x
  3. Step 3: Cross multiply
    453,034.64x = 625,175.06 × 249,085.28
  4. Step 4: Simplify right side
    453,034.64x = 155,721,900,497.82
  5. Step 5: Solve for x
    x = 155,721,900,497.82/453,034.64
  6. Step 6: Final answer
    x = 343,730.67

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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.