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Finding the Fourth Proportional to 443,225.43, 665,210.10 and 230,124.15

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Solution

The fourth proportional to 443,225.43, 665,210.10 and 230,124.15 is: 345,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,225.43 : 665,210.10 = 230,124.15 : x
  2. Step 2: Convert to fraction form
    443,225.43/665,210.10 = 230,124.15/x
  3. Step 3: Cross multiply
    443,225.43x = 665,210.10 × 230,124.15
  4. Step 4: Simplify right side
    443,225.43x = 153,080,908,833.92
  5. Step 5: Solve for x
    x = 153,080,908,833.92/443,225.43
  6. Step 6: Final answer
    x = 345,379.35

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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.