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Finding the Fourth Proportional to 319,098.99, 440,376.92 and 175,872.36

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Solution

The fourth proportional to 319,098.99, 440,376.92 and 175,872.36 is: 242,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,098.99 : 440,376.92 = 175,872.36 : x
  2. Step 2: Convert to fraction form
    319,098.99/440,376.92 = 175,872.36/x
  3. Step 3: Cross multiply
    319,098.99x = 440,376.92 × 175,872.36
  4. Step 4: Simplify right side
    319,098.99x = 77,450,129,641.50
  5. Step 5: Solve for x
    x = 77,450,129,641.50/319,098.99
  6. Step 6: Final answer
    x = 242,715.05

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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.