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Finding the Fourth Proportional to 518,301.90, 777,798.45 and 237,674.70

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Solution

The fourth proportional to 518,301.90, 777,798.45 and 237,674.70 is: 356,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,301.90 : 777,798.45 = 237,674.70 : x
  2. Step 2: Convert to fraction form
    518,301.90/777,798.45 = 237,674.70/x
  3. Step 3: Cross multiply
    518,301.90x = 777,798.45 × 237,674.70
  4. Step 4: Simplify right side
    518,301.90x = 184,863,013,264.22
  5. Step 5: Solve for x
    x = 184,863,013,264.22/518,301.90
  6. Step 6: Final answer
    x = 356,670.53

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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.