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Finding the Fourth Proportional to 351,366.72, 527,574.96 and 346,117.92

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Solution

The fourth proportional to 351,366.72, 527,574.96 and 346,117.92 is: 519,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,366.72 : 527,574.96 = 346,117.92 : x
  2. Step 2: Convert to fraction form
    351,366.72/527,574.96 = 346,117.92/x
  3. Step 3: Cross multiply
    351,366.72x = 527,574.96 × 346,117.92
  4. Step 4: Simplify right side
    351,366.72x = 182,603,147,799.28
  5. Step 5: Solve for x
    x = 182,603,147,799.28/351,366.72
  6. Step 6: Final answer
    x = 519,693.92

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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.