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Finding the Fourth Proportional to 584,056.80, 876,020.40 and 163,375.20

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Solution

The fourth proportional to 584,056.80, 876,020.40 and 163,375.20 is: 245,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,056.80 : 876,020.40 = 163,375.20 : x
  2. Step 2: Convert to fraction form
    584,056.80/876,020.40 = 163,375.20/x
  3. Step 3: Cross multiply
    584,056.80x = 876,020.40 × 163,375.20
  4. Step 4: Simplify right side
    584,056.80x = 143,120,008,054.08
  5. Step 5: Solve for x
    x = 143,120,008,054.08/584,056.80
  6. Step 6: Final answer
    x = 245,044.67

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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.