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Finding the Fourth Proportional to 519,753.66, 717,219.51 and 301,926.29

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Solution

The fourth proportional to 519,753.66, 717,219.51 and 301,926.29 is: 416,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,753.66 : 717,219.51 = 301,926.29 : x
  2. Step 2: Convert to fraction form
    519,753.66/717,219.51 = 301,926.29/x
  3. Step 3: Cross multiply
    519,753.66x = 717,219.51 × 301,926.29
  4. Step 4: Simplify right side
    519,753.66x = 216,547,422,749.93
  5. Step 5: Solve for x
    x = 216,547,422,749.93/519,753.66
  6. Step 6: Final answer
    x = 416,634.72

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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.