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Finding the Fourth Proportional to 318,836.01, 440,013.58 and 175,596.02

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Solution

The fourth proportional to 318,836.01, 440,013.58 and 175,596.02 is: 242,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,836.01 : 440,013.58 = 175,596.02 : x
  2. Step 2: Convert to fraction form
    318,836.01/440,013.58 = 175,596.02/x
  3. Step 3: Cross multiply
    318,836.01x = 440,013.58 × 175,596.02
  4. Step 4: Simplify right side
    318,836.01x = 77,264,632,404.94
  5. Step 5: Solve for x
    x = 77,264,632,404.94/318,836.01
  6. Step 6: Final answer
    x = 242,333.45

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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.