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Finding the Fourth Proportional to 478,515.30, 717,600.15 and 241,779.30

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Solution

The fourth proportional to 478,515.30, 717,600.15 and 241,779.30 is: 362,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,515.30 : 717,600.15 = 241,779.30 : x
  2. Step 2: Convert to fraction form
    478,515.30/717,600.15 = 241,779.30/x
  3. Step 3: Cross multiply
    478,515.30x = 717,600.15 × 241,779.30
  4. Step 4: Simplify right side
    478,515.30x = 173,500,861,946.90
  5. Step 5: Solve for x
    x = 173,500,861,946.90/478,515.30
  6. Step 6: Final answer
    x = 362,581.64

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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.