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Finding the Fourth Proportional to 586,780.04, 880,465.30 and 437,320.46

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Solution

The fourth proportional to 586,780.04, 880,465.30 and 437,320.46 is: 656,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,780.04 : 880,465.30 = 437,320.46 : x
  2. Step 2: Convert to fraction form
    586,780.04/880,465.30 = 437,320.46/x
  3. Step 3: Cross multiply
    586,780.04x = 880,465.30 × 437,320.46
  4. Step 4: Simplify right side
    586,780.04x = 385,045,490,010.04
  5. Step 5: Solve for x
    x = 385,045,490,010.04/586,780.04
  6. Step 6: Final answer
    x = 656,200.73

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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.