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Finding the Fourth Proportional to 262,342.80, 392,922.12 and 183,807.60

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Solution

The fourth proportional to 262,342.80, 392,922.12 and 183,807.60 is: 275,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,342.80 : 392,922.12 = 183,807.60 : x
  2. Step 2: Convert to fraction form
    262,342.80/392,922.12 = 183,807.60/x
  3. Step 3: Cross multiply
    262,342.80x = 392,922.12 × 183,807.60
  4. Step 4: Simplify right side
    262,342.80x = 72,222,071,864.11
  5. Step 5: Solve for x
    x = 72,222,071,864.11/262,342.80
  6. Step 6: Final answer
    x = 275,296.57

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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.