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Finding the Fourth Proportional to 586,211.80, 880,629.90 and 563,904.40

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Solution

The fourth proportional to 586,211.80, 880,629.90 and 563,904.40 is: 847,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,211.80 : 880,629.90 = 563,904.40 : x
  2. Step 2: Convert to fraction form
    586,211.80/880,629.90 = 563,904.40/x
  3. Step 3: Cross multiply
    586,211.80x = 880,629.90 × 563,904.40
  4. Step 4: Simplify right side
    586,211.80x = 496,591,075,381.56
  5. Step 5: Solve for x
    x = 496,591,075,381.56/586,211.80
  6. Step 6: Final answer
    x = 847,118.87

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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.