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Finding the Fourth Proportional to 519,170.14, 716,177.19 and 358,104.88

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Solution

The fourth proportional to 519,170.14, 716,177.19 and 358,104.88 is: 493,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,170.14 : 716,177.19 = 358,104.88 : x
  2. Step 2: Convert to fraction form
    519,170.14/716,177.19 = 358,104.88/x
  3. Step 3: Cross multiply
    519,170.14x = 716,177.19 × 358,104.88
  4. Step 4: Simplify right side
    519,170.14x = 256,466,546,683.69
  5. Step 5: Solve for x
    x = 256,466,546,683.69/519,170.14
  6. Step 6: Final answer
    x = 493,993.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.