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Finding the Fourth Proportional to 349,712.70, 524,569.05 and 96,992.70

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Solution

The fourth proportional to 349,712.70, 524,569.05 and 96,992.70 is: 145,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,712.70 : 524,569.05 = 96,992.70 : x
  2. Step 2: Convert to fraction form
    349,712.70/524,569.05 = 96,992.70/x
  3. Step 3: Cross multiply
    349,712.70x = 524,569.05 × 96,992.70
  4. Step 4: Simplify right side
    349,712.70x = 50,879,368,495.94
  5. Step 5: Solve for x
    x = 50,879,368,495.94/349,712.70
  6. Step 6: Final answer
    x = 145,489.05

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Similar ratio
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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.