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Finding the Fourth Proportional to 519,011.47, 716,196.90 and 338,070.03

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Solution

The fourth proportional to 519,011.47, 716,196.90 and 338,070.03 is: 466,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,011.47 : 716,196.90 = 338,070.03 : x
  2. Step 2: Convert to fraction form
    519,011.47/716,196.90 = 338,070.03/x
  3. Step 3: Cross multiply
    519,011.47x = 716,196.90 × 338,070.03
  4. Step 4: Simplify right side
    519,011.47x = 242,124,707,468.91
  5. Step 5: Solve for x
    x = 242,124,707,468.91/519,011.47
  6. Step 6: Final answer
    x = 466,511.28

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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.