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Finding the Fourth Proportional to 318,750.04, 439,878.30 and 175,523.38

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Solution

The fourth proportional to 318,750.04, 439,878.30 and 175,523.38 is: 242,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,750.04 : 439,878.30 = 175,523.38 : x
  2. Step 2: Convert to fraction form
    318,750.04/439,878.30 = 175,523.38/x
  3. Step 3: Cross multiply
    318,750.04x = 439,878.30 × 175,523.38
  4. Step 4: Simplify right side
    318,750.04x = 77,208,926,004.65
  5. Step 5: Solve for x
    x = 77,208,926,004.65/318,750.04
  6. Step 6: Final answer
    x = 242,224.05

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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.