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Finding the Fourth Proportional to 453,066.38, 625,215.60 and 249,115.87

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Solution

The fourth proportional to 453,066.38, 625,215.60 and 249,115.87 is: 343,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,066.38 : 625,215.60 = 249,115.87 : x
  2. Step 2: Convert to fraction form
    453,066.38/625,215.60 = 249,115.87/x
  3. Step 3: Cross multiply
    453,066.38x = 625,215.60 × 249,115.87
  4. Step 4: Simplify right side
    453,066.38x = 155,751,130,669.81
  5. Step 5: Solve for x
    x = 155,751,130,669.81/453,066.38
  6. Step 6: Final answer
    x = 343,771.11

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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.