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Finding the Fourth Proportional to 658,111, 987,166.64 and 237,386.83

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Solution

The fourth proportional to 658,111, 987,166.64 and 237,386.83 is: 356,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,111 : 987,166.64 = 237,386.83 : x
  2. Step 2: Convert to fraction form
    658,111/987,166.64 = 237,386.83/x
  3. Step 3: Cross multiply
    658,111x = 987,166.64 × 237,386.83
  4. Step 4: Simplify right side
    658,111x = 234,340,359,351.35
  5. Step 5: Solve for x
    x = 234,340,359,351.35/658,111
  6. Step 6: Final answer
    x = 356,080.30

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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.