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Finding the Fourth Proportional to 586,030.60, 878,009.10 and 548,705.80

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Solution

The fourth proportional to 586,030.60, 878,009.10 and 548,705.80 is: 822,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,030.60 : 878,009.10 = 548,705.80 : x
  2. Step 2: Convert to fraction form
    586,030.60/878,009.10 = 548,705.80/x
  3. Step 3: Cross multiply
    586,030.60x = 878,009.10 × 548,705.80
  4. Step 4: Simplify right side
    586,030.60x = 481,768,685,622.78
  5. Step 5: Solve for x
    x = 481,768,685,622.78/586,030.60
  6. Step 6: Final answer
    x = 822,087.93

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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.