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Finding the Fourth Proportional to 259,574.50, 357,888.27 and 216,615.88

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Solution

The fourth proportional to 259,574.50, 357,888.27 and 216,615.88 is: 298,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,574.50 : 357,888.27 = 216,615.88 : x
  2. Step 2: Convert to fraction form
    259,574.50/357,888.27 = 216,615.88/x
  3. Step 3: Cross multiply
    259,574.50x = 357,888.27 × 216,615.88
  4. Step 4: Simplify right side
    259,574.50x = 77,524,282,547.73
  5. Step 5: Solve for x
    x = 77,524,282,547.73/259,574.50
  6. Step 6: Final answer
    x = 298,659.08

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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.