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Finding the Fourth Proportional to 453,483.78, 625,812.06 and 249,539.10

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Solution

The fourth proportional to 453,483.78, 625,812.06 and 249,539.10 is: 344,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,483.78 : 625,812.06 = 249,539.10 : x
  2. Step 2: Convert to fraction form
    453,483.78/625,812.06 = 249,539.10/x
  3. Step 3: Cross multiply
    453,483.78x = 625,812.06 × 249,539.10
  4. Step 4: Simplify right side
    453,483.78x = 156,164,578,221.55
  5. Step 5: Solve for x
    x = 156,164,578,221.55/453,483.78
  6. Step 6: Final answer
    x = 344,366.40

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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.