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Finding the Fourth Proportional to 440,953.62, 608,498.38 and 259,673.20

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Solution

The fourth proportional to 440,953.62, 608,498.38 and 259,673.20 is: 358,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,953.62 : 608,498.38 = 259,673.20 : x
  2. Step 2: Convert to fraction form
    440,953.62/608,498.38 = 259,673.20/x
  3. Step 3: Cross multiply
    440,953.62x = 608,498.38 × 259,673.20
  4. Step 4: Simplify right side
    440,953.62x = 158,010,721,529.42
  5. Step 5: Solve for x
    x = 158,010,721,529.42/440,953.62
  6. Step 6: Final answer
    x = 358,338.64

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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.