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Finding the Fourth Proportional to 585,241.60, 877,920.80 and 158,784.10

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Solution

The fourth proportional to 585,241.60, 877,920.80 and 158,784.10 is: 238,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,241.60 : 877,920.80 = 158,784.10 : x
  2. Step 2: Convert to fraction form
    585,241.60/877,920.80 = 158,784.10/x
  3. Step 3: Cross multiply
    585,241.60x = 877,920.80 × 158,784.10
  4. Step 4: Simplify right side
    585,241.60x = 139,399,864,099.28
  5. Step 5: Solve for x
    x = 139,399,864,099.28/585,241.60
  6. Step 6: Final answer
    x = 238,191.99

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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.