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Finding the Fourth Proportional to 514,373.75, 768,432.13 and 332,981.45

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Solution

The fourth proportional to 514,373.75, 768,432.13 and 332,981.45 is: 497,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,373.75 : 768,432.13 = 332,981.45 : x
  2. Step 2: Convert to fraction form
    514,373.75/768,432.13 = 332,981.45/x
  3. Step 3: Cross multiply
    514,373.75x = 768,432.13 × 332,981.45
  4. Step 4: Simplify right side
    514,373.75x = 255,873,640,199.37
  5. Step 5: Solve for x
    x = 255,873,640,199.37/514,373.75
  6. Step 6: Final answer
    x = 497,446.93

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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.