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Finding the Fourth Proportional to 585,590.80, 878,386.20 and 526,541.80

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Solution

The fourth proportional to 585,590.80, 878,386.20 and 526,541.80 is: 789,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,590.80 : 878,386.20 = 526,541.80 : x
  2. Step 2: Convert to fraction form
    585,590.80/878,386.20 = 526,541.80/x
  3. Step 3: Cross multiply
    585,590.80x = 878,386.20 × 526,541.80
  4. Step 4: Simplify right side
    585,590.80x = 462,507,050,843.16
  5. Step 5: Solve for x
    x = 462,507,050,843.16/585,590.80
  6. Step 6: Final answer
    x = 789,812.70

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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.