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Finding the Fourth Proportional to 341,605.04, 512,407.56 and 164,001.20

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Solution

The fourth proportional to 341,605.04, 512,407.56 and 164,001.20 is: 246,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,605.04 : 512,407.56 = 164,001.20 : x
  2. Step 2: Convert to fraction form
    341,605.04/512,407.56 = 164,001.20/x
  3. Step 3: Cross multiply
    341,605.04x = 512,407.56 × 164,001.20
  4. Step 4: Simplify right side
    341,605.04x = 84,035,454,729.07
  5. Step 5: Solve for x
    x = 84,035,454,729.07/341,605.04
  6. Step 6: Final answer
    x = 246,001.80

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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.