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Finding the Fourth Proportional to 590,881.52, 886,438.92 and 216,907.76

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Solution

The fourth proportional to 590,881.52, 886,438.92 and 216,907.76 is: 325,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,881.52 : 886,438.92 = 216,907.76 : x
  2. Step 2: Convert to fraction form
    590,881.52/886,438.92 = 216,907.76/x
  3. Step 3: Cross multiply
    590,881.52x = 886,438.92 × 216,907.76
  4. Step 4: Simplify right side
    590,881.52x = 192,275,480,514.02
  5. Step 5: Solve for x
    x = 192,275,480,514.02/590,881.52
  6. Step 6: Final answer
    x = 325,404.46

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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.