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Finding the Fourth Proportional to 341,331.90, 470,835.06 and 220,544.40

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Solution

The fourth proportional to 341,331.90, 470,835.06 and 220,544.40 is: 304,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,331.90 : 470,835.06 = 220,544.40 : x
  2. Step 2: Convert to fraction form
    341,331.90/470,835.06 = 220,544.40/x
  3. Step 3: Cross multiply
    341,331.90x = 470,835.06 × 220,544.40
  4. Step 4: Simplify right side
    341,331.90x = 103,840,035,806.66
  5. Step 5: Solve for x
    x = 103,840,035,806.66/341,331.90
  6. Step 6: Final answer
    x = 304,220.13

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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.