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Finding the Fourth Proportional to 587,201.60, 880,802.40 and 213,089.60

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Solution

The fourth proportional to 587,201.60, 880,802.40 and 213,089.60 is: 319,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,201.60 : 880,802.40 = 213,089.60 : x
  2. Step 2: Convert to fraction form
    587,201.60/880,802.40 = 213,089.60/x
  3. Step 3: Cross multiply
    587,201.60x = 880,802.40 × 213,089.60
  4. Step 4: Simplify right side
    587,201.60x = 187,689,831,095.04
  5. Step 5: Solve for x
    x = 187,689,831,095.04/587,201.60
  6. Step 6: Final answer
    x = 319,634.40

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Similar ratio
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1.5x scale

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.