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Finding the Fourth Proportional to 585,009.60, 875,764.80 and 348,230.40

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Solution

The fourth proportional to 585,009.60, 875,764.80 and 348,230.40 is: 521,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,009.60 : 875,764.80 = 348,230.40 : x
  2. Step 2: Convert to fraction form
    585,009.60/875,764.80 = 348,230.40/x
  3. Step 3: Cross multiply
    585,009.60x = 875,764.80 × 348,230.40
  4. Step 4: Simplify right side
    585,009.60x = 304,967,926,609.92
  5. Step 5: Solve for x
    x = 304,967,926,609.92/585,009.60
  6. Step 6: Final answer
    x = 521,304.14

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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.