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Finding the Fourth Proportional to 583,903.80, 875,855.70 and 548,474.40

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Solution

The fourth proportional to 583,903.80, 875,855.70 and 548,474.40 is: 822,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,903.80 : 875,855.70 = 548,474.40 : x
  2. Step 2: Convert to fraction form
    583,903.80/875,855.70 = 548,474.40/x
  3. Step 3: Cross multiply
    583,903.80x = 875,855.70 × 548,474.40
  4. Step 4: Simplify right side
    583,903.80x = 480,384,429,544.08
  5. Step 5: Solve for x
    x = 480,384,429,544.08/583,903.80
  6. Step 6: Final answer
    x = 822,711.60

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Similar ratio
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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.