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Finding the Fourth Proportional to 453,001.81, 625,142.90 and 249,056.20

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Solution

The fourth proportional to 453,001.81, 625,142.90 and 249,056.20 is: 343,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,001.81 : 625,142.90 = 249,056.20 : x
  2. Step 2: Convert to fraction form
    453,001.81/625,142.90 = 249,056.20/x
  3. Step 3: Cross multiply
    453,001.81x = 625,142.90 × 249,056.20
  4. Step 4: Simplify right side
    453,001.81x = 155,695,715,130.98
  5. Step 5: Solve for x
    x = 155,695,715,130.98/453,001.81
  6. Step 6: Final answer
    x = 343,697.78

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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.