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Finding the Fourth Proportional to 319,175.01, 440,461.41 and 175,937.45

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Solution

The fourth proportional to 319,175.01, 440,461.41 and 175,937.45 is: 242,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,175.01 : 440,461.41 = 175,937.45 : x
  2. Step 2: Convert to fraction form
    319,175.01/440,461.41 = 175,937.45/x
  3. Step 3: Cross multiply
    319,175.01x = 440,461.41 × 175,937.45
  4. Step 4: Simplify right side
    319,175.01x = 77,493,655,096.50
  5. Step 5: Solve for x
    x = 77,493,655,096.50/319,175.01
  6. Step 6: Final answer
    x = 242,793.62

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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.