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Finding the Fourth Proportional to 564,806.10, 843,145.95 and 483,973.74

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Solution

The fourth proportional to 564,806.10, 843,145.95 and 483,973.74 is: 722,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,806.10 : 843,145.95 = 483,973.74 : x
  2. Step 2: Convert to fraction form
    564,806.10/843,145.95 = 483,973.74/x
  3. Step 3: Cross multiply
    564,806.10x = 843,145.95 × 483,973.74
  4. Step 4: Simplify right side
    564,806.10x = 408,060,498,787.35
  5. Step 5: Solve for x
    x = 408,060,498,787.35/564,806.10
  6. Step 6: Final answer
    x = 722,478.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.