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Finding the Fourth Proportional to 570,060.13, 786,340.25 and 376,469.62

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Solution

The fourth proportional to 570,060.13, 786,340.25 and 376,469.62 is: 519,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,060.13 : 786,340.25 = 376,469.62 : x
  2. Step 2: Convert to fraction form
    570,060.13/786,340.25 = 376,469.62/x
  3. Step 3: Cross multiply
    570,060.13x = 786,340.25 × 376,469.62
  4. Step 4: Simplify right side
    570,060.13x = 296,033,219,212.57
  5. Step 5: Solve for x
    x = 296,033,219,212.57/570,060.13
  6. Step 6: Final answer
    x = 519,301.74

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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.