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Finding the Fourth Proportional to 217,362.30, 326,045.70 and 59,590.74

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Solution

The fourth proportional to 217,362.30, 326,045.70 and 59,590.74 is: 89,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,362.30 : 326,045.70 = 59,590.74 : x
  2. Step 2: Convert to fraction form
    217,362.30/326,045.70 = 59,590.74/x
  3. Step 3: Cross multiply
    217,362.30x = 326,045.70 × 59,590.74
  4. Step 4: Simplify right side
    217,362.30x = 19,429,304,536.82
  5. Step 5: Solve for x
    x = 19,429,304,536.82/217,362.30
  6. Step 6: Final answer
    x = 89,386.73

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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.