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Finding the Fourth Proportional to 612,027.60, 918,042.04 and 191,305.68

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Solution

The fourth proportional to 612,027.60, 918,042.04 and 191,305.68 is: 286,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,027.60 : 918,042.04 = 191,305.68 : x
  2. Step 2: Convert to fraction form
    612,027.60/918,042.04 = 191,305.68/x
  3. Step 3: Cross multiply
    612,027.60x = 918,042.04 × 191,305.68
  4. Step 4: Simplify right side
    612,027.60x = 175,626,656,730.79
  5. Step 5: Solve for x
    x = 175,626,656,730.79/612,027.60
  6. Step 6: Final answer
    x = 286,958.72

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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.