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Finding the Fourth Proportional to 453,321.81, 625,580.64 and 249,368.34

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Solution

The fourth proportional to 453,321.81, 625,580.64 and 249,368.34 is: 344,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,321.81 : 625,580.64 = 249,368.34 : x
  2. Step 2: Convert to fraction form
    453,321.81/625,580.64 = 249,368.34/x
  3. Step 3: Cross multiply
    453,321.81x = 625,580.64 × 249,368.34
  4. Step 4: Simplify right side
    453,321.81x = 156,000,005,732.94
  5. Step 5: Solve for x
    x = 156,000,005,732.94/453,321.81
  6. Step 6: Final answer
    x = 344,126.41

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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.