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Finding the Fourth Proportional to 519,011.97, 716,197.59 and 338,070.53

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Solution

The fourth proportional to 519,011.97, 716,197.59 and 338,070.53 is: 466,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,011.97 : 716,197.59 = 338,070.53 : x
  2. Step 2: Convert to fraction form
    519,011.97/716,197.59 = 338,070.53/x
  3. Step 3: Cross multiply
    519,011.97x = 716,197.59 × 338,070.53
  4. Step 4: Simplify right side
    519,011.97x = 242,125,295,255.04
  5. Step 5: Solve for x
    x = 242,125,295,255.04/519,011.97
  6. Step 6: Final answer
    x = 466,511.97

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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.