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Finding the Fourth Proportional to 585,967.80, 876,618.90 and 507,948.60

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Solution

The fourth proportional to 585,967.80, 876,618.90 and 507,948.60 is: 759,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,967.80 : 876,618.90 = 507,948.60 : x
  2. Step 2: Convert to fraction form
    585,967.80/876,618.90 = 507,948.60/x
  3. Step 3: Cross multiply
    585,967.80x = 876,618.90 × 507,948.60
  4. Step 4: Simplify right side
    585,967.80x = 445,277,342,988.54
  5. Step 5: Solve for x
    x = 445,277,342,988.54/585,967.80
  6. Step 6: Final answer
    x = 759,900.70

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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.