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Finding the Fourth Proportional to 453,049.12, 625,194.48 and 249,100.30

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Solution

The fourth proportional to 453,049.12, 625,194.48 and 249,100.30 is: 343,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,049.12 : 625,194.48 = 249,100.30 : x
  2. Step 2: Convert to fraction form
    453,049.12/625,194.48 = 249,100.30/x
  3. Step 3: Cross multiply
    453,049.12x = 625,194.48 × 249,100.30
  4. Step 4: Simplify right side
    453,049.12x = 155,736,132,526.34
  5. Step 5: Solve for x
    x = 155,736,132,526.34/453,049.12
  6. Step 6: Final answer
    x = 343,751.10

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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.