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Finding the Fourth Proportional to 458,962.02, 688,280.13 and 134,659.61

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Solution

The fourth proportional to 458,962.02, 688,280.13 and 134,659.61 is: 201,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,962.02 : 688,280.13 = 134,659.61 : x
  2. Step 2: Convert to fraction form
    458,962.02/688,280.13 = 134,659.61/x
  3. Step 3: Cross multiply
    458,962.02x = 688,280.13 × 134,659.61
  4. Step 4: Simplify right side
    458,962.02x = 92,683,530,701.68
  5. Step 5: Solve for x
    x = 92,683,530,701.68/458,962.02
  6. Step 6: Final answer
    x = 201,941.61

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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.