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Finding the Fourth Proportional to 580,031.65, 869,018.05 and 242,329.08

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Solution

The fourth proportional to 580,031.65, 869,018.05 and 242,329.08 is: 363,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,031.65 : 869,018.05 = 242,329.08 : x
  2. Step 2: Convert to fraction form
    580,031.65/869,018.05 = 242,329.08/x
  3. Step 3: Cross multiply
    580,031.65x = 869,018.05 × 242,329.08
  4. Step 4: Simplify right side
    580,031.65x = 210,588,348,121.62
  5. Step 5: Solve for x
    x = 210,588,348,121.62/580,031.65
  6. Step 6: Final answer
    x = 363,063.55

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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.