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Finding the Fourth Proportional to 518,026.64, 777,178.24 and 185,636.24

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Solution

The fourth proportional to 518,026.64, 777,178.24 and 185,636.24 is: 278,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,026.64 : 777,178.24 = 185,636.24 : x
  2. Step 2: Convert to fraction form
    518,026.64/777,178.24 = 185,636.24/x
  3. Step 3: Cross multiply
    518,026.64x = 777,178.24 × 185,636.24
  4. Step 4: Simplify right side
    518,026.64x = 144,272,446,283.42
  5. Step 5: Solve for x
    x = 144,272,446,283.42/518,026.64
  6. Step 6: Final answer
    x = 278,503.91

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1.5x scale

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.