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Finding the Fourth Proportional to 468,281.71, 646,229.91 and 253,423.34

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Solution

The fourth proportional to 468,281.71, 646,229.91 and 253,423.34 is: 349,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,281.71 : 646,229.91 = 253,423.34 : x
  2. Step 2: Convert to fraction form
    468,281.71/646,229.91 = 253,423.34/x
  3. Step 3: Cross multiply
    468,281.71x = 646,229.91 × 253,423.34
  4. Step 4: Simplify right side
    468,281.71x = 163,769,737,701.83
  5. Step 5: Solve for x
    x = 163,769,737,701.83/468,281.71
  6. Step 6: Final answer
    x = 349,724.82

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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.