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Finding the Fourth Proportional to 445,437.60, 668,065.68 and 164,888.16

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Solution

The fourth proportional to 445,437.60, 668,065.68 and 164,888.16 is: 247,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,437.60 : 668,065.68 = 164,888.16 : x
  2. Step 2: Convert to fraction form
    445,437.60/668,065.68 = 164,888.16/x
  3. Step 3: Cross multiply
    445,437.60x = 668,065.68 × 164,888.16
  4. Step 4: Simplify right side
    445,437.60x = 110,156,120,734.35
  5. Step 5: Solve for x
    x = 110,156,120,734.35/445,437.60
  6. Step 6: Final answer
    x = 247,298.66

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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.