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Finding the Fourth Proportional to 370,042.43, 555,411.74 and 349,818.14

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Solution

The fourth proportional to 370,042.43, 555,411.74 and 349,818.14 is: 525,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,042.43 : 555,411.74 = 349,818.14 : x
  2. Step 2: Convert to fraction form
    370,042.43/555,411.74 = 349,818.14/x
  3. Step 3: Cross multiply
    370,042.43x = 555,411.74 × 349,818.14
  4. Step 4: Simplify right side
    370,042.43x = 194,293,101,460.40
  5. Step 5: Solve for x
    x = 194,293,101,460.40/370,042.43
  6. Step 6: Final answer
    x = 525,056.29

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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.