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Finding the Fourth Proportional to 411,949.40, 616,611.90 and 293,851.40

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Solution

The fourth proportional to 411,949.40, 616,611.90 and 293,851.40 is: 439,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,949.40 : 616,611.90 = 293,851.40 : x
  2. Step 2: Convert to fraction form
    411,949.40/616,611.90 = 293,851.40/x
  3. Step 3: Cross multiply
    411,949.40x = 616,611.90 × 293,851.40
  4. Step 4: Simplify right side
    411,949.40x = 181,192,270,071.66
  5. Step 5: Solve for x
    x = 181,192,270,071.66/411,949.40
  6. Step 6: Final answer
    x = 439,841.08

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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.