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Finding the Fourth Proportional to 456,167.76, 629,491.68 and 249,432.32

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Solution

The fourth proportional to 456,167.76, 629,491.68 and 249,432.32 is: 344,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,167.76 : 629,491.68 = 249,432.32 : x
  2. Step 2: Convert to fraction form
    456,167.76/629,491.68 = 249,432.32/x
  3. Step 3: Cross multiply
    456,167.76x = 629,491.68 × 249,432.32
  4. Step 4: Simplify right side
    456,167.76x = 157,015,570,163.10
  5. Step 5: Solve for x
    x = 157,015,570,163.10/456,167.76
  6. Step 6: Final answer
    x = 344,205.76

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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.