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Finding the Fourth Proportional to 461,178.24, 636,426.24 and 249,210.24

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Solution

The fourth proportional to 461,178.24, 636,426.24 and 249,210.24 is: 343,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,178.24 : 636,426.24 = 249,210.24 : x
  2. Step 2: Convert to fraction form
    461,178.24/636,426.24 = 249,210.24/x
  3. Step 3: Cross multiply
    461,178.24x = 636,426.24 × 249,210.24
  4. Step 4: Simplify right side
    461,178.24x = 158,603,936,012.70
  5. Step 5: Solve for x
    x = 158,603,936,012.70/461,178.24
  6. Step 6: Final answer
    x = 343,910.28

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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.