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Finding the Fourth Proportional to 478,033.55, 717,050.39 and 158,099.55

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Solution

The fourth proportional to 478,033.55, 717,050.39 and 158,099.55 is: 237,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,033.55 : 717,050.39 = 158,099.55 : x
  2. Step 2: Convert to fraction form
    478,033.55/717,050.39 = 158,099.55/x
  3. Step 3: Cross multiply
    478,033.55x = 717,050.39 × 158,099.55
  4. Step 4: Simplify right side
    478,033.55x = 113,365,343,195.83
  5. Step 5: Solve for x
    x = 113,365,343,195.83/478,033.55
  6. Step 6: Final answer
    x = 237,149.35

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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.