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Finding the Fourth Proportional to 586,519.80, 880,848.90 and 513,036.60

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Solution

The fourth proportional to 586,519.80, 880,848.90 and 513,036.60 is: 770,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,519.80 : 880,848.90 = 513,036.60 : x
  2. Step 2: Convert to fraction form
    586,519.80/880,848.90 = 513,036.60/x
  3. Step 3: Cross multiply
    586,519.80x = 880,848.90 × 513,036.60
  4. Step 4: Simplify right side
    586,519.80x = 451,907,724,769.74
  5. Step 5: Solve for x
    x = 451,907,724,769.74/586,519.80
  6. Step 6: Final answer
    x = 770,490.14

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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.