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Finding the Fourth Proportional to 382,624.60, 573,280.80 and 249,436.30

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Solution

The fourth proportional to 382,624.60, 573,280.80 and 249,436.30 is: 373,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,624.60 : 573,280.80 = 249,436.30 : x
  2. Step 2: Convert to fraction form
    382,624.60/573,280.80 = 249,436.30/x
  3. Step 3: Cross multiply
    382,624.60x = 573,280.80 × 249,436.30
  4. Step 4: Simplify right side
    382,624.60x = 142,997,041,613.04
  5. Step 5: Solve for x
    x = 142,997,041,613.04/382,624.60
  6. Step 6: Final answer
    x = 373,726.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.