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Finding the Fourth Proportional to 370,009.55, 554,674.12 and 133,294.34

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Solution

The fourth proportional to 370,009.55, 554,674.12 and 133,294.34 is: 199,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,009.55 : 554,674.12 = 133,294.34 : x
  2. Step 2: Convert to fraction form
    370,009.55/554,674.12 = 133,294.34/x
  3. Step 3: Cross multiply
    370,009.55x = 554,674.12 × 133,294.34
  4. Step 4: Simplify right side
    370,009.55x = 73,934,920,740.48
  5. Step 5: Solve for x
    x = 73,934,920,740.48/370,009.55
  6. Step 6: Final answer
    x = 199,818.95

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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.