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Finding the Fourth Proportional to 662,684.80, 994,027.20 and 572,483.20

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Solution

The fourth proportional to 662,684.80, 994,027.20 and 572,483.20 is: 858,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,684.80 : 994,027.20 = 572,483.20 : x
  2. Step 2: Convert to fraction form
    662,684.80/994,027.20 = 572,483.20/x
  3. Step 3: Cross multiply
    662,684.80x = 994,027.20 × 572,483.20
  4. Step 4: Simplify right side
    662,684.80x = 569,063,872,343.04
  5. Step 5: Solve for x
    x = 569,063,872,343.04/662,684.80
  6. Step 6: Final answer
    x = 858,724.80

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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.