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Finding the Fourth Proportional to 453,003.32, 625,144.97 and 249,057.70

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Solution

The fourth proportional to 453,003.32, 625,144.97 and 249,057.70 is: 343,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,003.32 : 625,144.97 = 249,057.70 : x
  2. Step 2: Convert to fraction form
    453,003.32/625,144.97 = 249,057.70/x
  3. Step 3: Cross multiply
    453,003.32x = 625,144.97 × 249,057.70
  4. Step 4: Simplify right side
    453,003.32x = 155,697,168,394.77
  5. Step 5: Solve for x
    x = 155,697,168,394.77/453,003.32
  6. Step 6: Final answer
    x = 343,699.84

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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.