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Finding the Fourth Proportional to 803,494.96, 1,108,820 and 440,924.88

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Solution

The fourth proportional to 803,494.96, 1,108,820 and 440,924.88 is: 608,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,494.96 : 1,108,820 = 440,924.88 : x
  2. Step 2: Convert to fraction form
    803,494.96/1,108,820 = 440,924.88/x
  3. Step 3: Cross multiply
    803,494.96x = 1,108,820 × 440,924.88
  4. Step 4: Simplify right side
    803,494.96x = 488,906,325,441.60
  5. Step 5: Solve for x
    x = 488,906,325,441.60/803,494.96
  6. Step 6: Final answer
    x = 608,474.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.