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Finding the Fourth Proportional to 385,968.62, 532,666.24 and 242,851.34

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Solution

The fourth proportional to 385,968.62, 532,666.24 and 242,851.34 is: 335,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,968.62 : 532,666.24 = 242,851.34 : x
  2. Step 2: Convert to fraction form
    385,968.62/532,666.24 = 242,851.34/x
  3. Step 3: Cross multiply
    385,968.62x = 532,666.24 × 242,851.34
  4. Step 4: Simplify right side
    385,968.62x = 129,358,706,886.30
  5. Step 5: Solve for x
    x = 129,358,706,886.30/385,968.62
  6. Step 6: Final answer
    x = 335,153.43

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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.