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Finding the Fourth Proportional to 453,059.72, 625,238.48 and 249,126.18

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Solution

The fourth proportional to 453,059.72, 625,238.48 and 249,126.18 is: 343,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,059.72 : 625,238.48 = 249,126.18 : x
  2. Step 2: Convert to fraction form
    453,059.72/625,238.48 = 249,126.18/x
  3. Step 3: Cross multiply
    453,059.72x = 625,238.48 × 249,126.18
  4. Step 4: Simplify right side
    453,059.72x = 155,763,274,111.41
  5. Step 5: Solve for x
    x = 155,763,274,111.41/453,059.72
  6. Step 6: Final answer
    x = 343,802.96

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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.