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Finding the Fourth Proportional to 546,302.08, 819,479.20 and 265,484.80

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Solution

The fourth proportional to 546,302.08, 819,479.20 and 265,484.80 is: 398,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,302.08 : 819,479.20 = 265,484.80 : x
  2. Step 2: Convert to fraction form
    546,302.08/819,479.20 = 265,484.80/x
  3. Step 3: Cross multiply
    546,302.08x = 819,479.20 × 265,484.80
  4. Step 4: Simplify right side
    546,302.08x = 217,559,271,516.16
  5. Step 5: Solve for x
    x = 217,559,271,516.16/546,302.08
  6. Step 6: Final answer
    x = 398,239.87

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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.