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Finding the Fourth Proportional to 369,522.68, 510,079.96 and 242,206.48

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Solution

The fourth proportional to 369,522.68, 510,079.96 and 242,206.48 is: 334,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,522.68 : 510,079.96 = 242,206.48 : x
  2. Step 2: Convert to fraction form
    369,522.68/510,079.96 = 242,206.48/x
  3. Step 3: Cross multiply
    369,522.68x = 510,079.96 × 242,206.48
  4. Step 4: Simplify right side
    369,522.68x = 123,544,671,630.14
  5. Step 5: Solve for x
    x = 123,544,671,630.14/369,522.68
  6. Step 6: Final answer
    x = 334,335.83

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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.