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Finding the Fourth Proportional to 374,458.80, 560,521.80 and 269,482.80

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Solution

The fourth proportional to 374,458.80, 560,521.80 and 269,482.80 is: 403,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,458.80 : 560,521.80 = 269,482.80 : x
  2. Step 2: Convert to fraction form
    374,458.80/560,521.80 = 269,482.80/x
  3. Step 3: Cross multiply
    374,458.80x = 560,521.80 × 269,482.80
  4. Step 4: Simplify right side
    374,458.80x = 151,050,984,125.04
  5. Step 5: Solve for x
    x = 151,050,984,125.04/374,458.80
  6. Step 6: Final answer
    x = 403,384.79

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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.