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Finding the Fourth Proportional to 543,803.58, 750,423.48 and 302,100.90

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Solution

The fourth proportional to 543,803.58, 750,423.48 and 302,100.90 is: 416,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,803.58 : 750,423.48 = 302,100.90 : x
  2. Step 2: Convert to fraction form
    543,803.58/750,423.48 = 302,100.90/x
  3. Step 3: Cross multiply
    543,803.58x = 750,423.48 × 302,100.90
  4. Step 4: Simplify right side
    543,803.58x = 226,703,608,689.13
  5. Step 5: Solve for x
    x = 226,703,608,689.13/543,803.58
  6. Step 6: Final answer
    x = 416,885.10

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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.