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Finding the Fourth Proportional to 868,562.10, 1,302,852.87 and 363,199.86

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Solution

The fourth proportional to 868,562.10, 1,302,852.87 and 363,199.86 is: 544,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,562.10 : 1,302,852.87 = 363,199.86 : x
  2. Step 2: Convert to fraction form
    868,562.10/1,302,852.87 = 363,199.86/x
  3. Step 3: Cross multiply
    868,562.10x = 1,302,852.87 × 363,199.86
  4. Step 4: Simplify right side
    868,562.10x = 473,195,979,984.60
  5. Step 5: Solve for x
    x = 473,195,979,984.60/868,562.10
  6. Step 6: Final answer
    x = 544,803.85

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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.