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Finding the Fourth Proportional to 440,347.82, 660,784.16 and 159,886.94

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Solution

The fourth proportional to 440,347.82, 660,784.16 and 159,886.94 is: 239,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,347.82 : 660,784.16 = 159,886.94 : x
  2. Step 2: Convert to fraction form
    440,347.82/660,784.16 = 159,886.94/x
  3. Step 3: Cross multiply
    440,347.82x = 660,784.16 × 159,886.94
  4. Step 4: Simplify right side
    440,347.82x = 105,650,753,239.52
  5. Step 5: Solve for x
    x = 105,650,753,239.52/440,347.82
  6. Step 6: Final answer
    x = 239,925.69

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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.