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Finding the Fourth Proportional to 543,790.86, 750,445.02 and 302,061.84

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Solution

The fourth proportional to 543,790.86, 750,445.02 and 302,061.84 is: 416,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,790.86 : 750,445.02 = 302,061.84 : x
  2. Step 2: Convert to fraction form
    543,790.86/750,445.02 = 302,061.84/x
  3. Step 3: Cross multiply
    543,790.86x = 750,445.02 × 302,061.84
  4. Step 4: Simplify right side
    543,790.86x = 226,680,803,560.04
  5. Step 5: Solve for x
    x = 226,680,803,560.04/543,790.86
  6. Step 6: Final answer
    x = 416,852.91

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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.