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Finding the Fourth Proportional to 453,066.76, 625,216.12 and 249,116.25

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Solution

The fourth proportional to 453,066.76, 625,216.12 and 249,116.25 is: 343,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,066.76 : 625,216.12 = 249,116.25 : x
  2. Step 2: Convert to fraction form
    453,066.76/625,216.12 = 249,116.25/x
  3. Step 3: Cross multiply
    453,066.76x = 625,216.12 × 249,116.25
  4. Step 4: Simplify right side
    453,066.76x = 155,751,493,925.97
  5. Step 5: Solve for x
    x = 155,751,493,925.97/453,066.76
  6. Step 6: Final answer
    x = 343,771.62

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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.