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Finding the Fourth Proportional to 672,370.94, 928,780.58 and 537,351.23

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Solution

The fourth proportional to 672,370.94, 928,780.58 and 537,351.23 is: 742,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,370.94 : 928,780.58 = 537,351.23 : x
  2. Step 2: Convert to fraction form
    672,370.94/928,780.58 = 537,351.23/x
  3. Step 3: Cross multiply
    672,370.94x = 928,780.58 × 537,351.23
  4. Step 4: Simplify right side
    672,370.94x = 499,081,390,728.44
  5. Step 5: Solve for x
    x = 499,081,390,728.44/672,370.94
  6. Step 6: Final answer
    x = 742,270.91

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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.