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Finding the Fourth Proportional to 233,210.12, 349,815.18 and 221,878.76

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Solution

The fourth proportional to 233,210.12, 349,815.18 and 221,878.76 is: 332,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,210.12 : 349,815.18 = 221,878.76 : x
  2. Step 2: Convert to fraction form
    233,210.12/349,815.18 = 221,878.76/x
  3. Step 3: Cross multiply
    233,210.12x = 349,815.18 × 221,878.76
  4. Step 4: Simplify right side
    233,210.12x = 77,616,558,367.58
  5. Step 5: Solve for x
    x = 77,616,558,367.58/233,210.12
  6. Step 6: Final answer
    x = 332,818.14

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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.