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Finding the Fourth Proportional to 614,347.08, 921,458.30 and 165,009.56

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Solution

The fourth proportional to 614,347.08, 921,458.30 and 165,009.56 is: 247,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,347.08 : 921,458.30 = 165,009.56 : x
  2. Step 2: Convert to fraction form
    614,347.08/921,458.30 = 165,009.56/x
  3. Step 3: Cross multiply
    614,347.08x = 921,458.30 × 165,009.56
  4. Step 4: Simplify right side
    614,347.08x = 152,049,428,641.35
  5. Step 5: Solve for x
    x = 152,049,428,641.35/614,347.08
  6. Step 6: Final answer
    x = 247,497.60

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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.