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Finding the Fourth Proportional to 401,482.88, 602,247.36 and 120,970.88

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Solution

The fourth proportional to 401,482.88, 602,247.36 and 120,970.88 is: 181,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,482.88 : 602,247.36 = 120,970.88 : x
  2. Step 2: Convert to fraction form
    401,482.88/602,247.36 = 120,970.88/x
  3. Step 3: Cross multiply
    401,482.88x = 602,247.36 × 120,970.88
  4. Step 4: Simplify right side
    401,482.88x = 72,854,393,116.88
  5. Step 5: Solve for x
    x = 72,854,393,116.88/401,482.88
  6. Step 6: Final answer
    x = 181,463.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.