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Finding the Fourth Proportional to 672,730.93, 928,364.92 and 370,924.93

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Solution

The fourth proportional to 672,730.93, 928,364.92 and 370,924.93 is: 511,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,730.93 : 928,364.92 = 370,924.93 : x
  2. Step 2: Convert to fraction form
    672,730.93/928,364.92 = 370,924.93/x
  3. Step 3: Cross multiply
    672,730.93x = 928,364.92 × 370,924.93
  4. Step 4: Simplify right side
    672,730.93x = 344,353,692,965.46
  5. Step 5: Solve for x
    x = 344,353,692,965.46/672,730.93
  6. Step 6: Final answer
    x = 511,874.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.