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Finding the Fourth Proportional to 514,302.59, 768,326.11 and 332,910.29

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Solution

The fourth proportional to 514,302.59, 768,326.11 and 332,910.29 is: 497,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,302.59 : 768,326.11 = 332,910.29 : x
  2. Step 2: Convert to fraction form
    514,302.59/768,326.11 = 332,910.29/x
  3. Step 3: Cross multiply
    514,302.59x = 768,326.11 × 332,910.29
  4. Step 4: Simplify right side
    514,302.59x = 255,783,666,430.12
  5. Step 5: Solve for x
    x = 255,783,666,430.12/514,302.59
  6. Step 6: Final answer
    x = 497,340.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.