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Finding the Fourth Proportional to 340,337.76, 510,510.74 and 103,682.49

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Solution

The fourth proportional to 340,337.76, 510,510.74 and 103,682.49 is: 155,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,337.76 : 510,510.74 = 103,682.49 : x
  2. Step 2: Convert to fraction form
    340,337.76/510,510.74 = 103,682.49/x
  3. Step 3: Cross multiply
    340,337.76x = 510,510.74 × 103,682.49
  4. Step 4: Simplify right side
    340,337.76x = 52,931,024,694.94
  5. Step 5: Solve for x
    x = 52,931,024,694.94/340,337.76
  6. Step 6: Final answer
    x = 155,524.98

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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.