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Finding the Fourth Proportional to 626,348.16, 941,271.85 and 586,019.88

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Solution

The fourth proportional to 626,348.16, 941,271.85 and 586,019.88 is: 880,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,348.16 : 941,271.85 = 586,019.88 : x
  2. Step 2: Convert to fraction form
    626,348.16/941,271.85 = 586,019.88/x
  3. Step 3: Cross multiply
    626,348.16x = 941,271.85 × 586,019.88
  4. Step 4: Simplify right side
    626,348.16x = 551,604,016,584.38
  5. Step 5: Solve for x
    x = 551,604,016,584.38/626,348.16
  6. Step 6: Final answer
    x = 880,666.78

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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.