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Finding the Fourth Proportional to 404,701.40, 607,052.10 and 168,019.40

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Solution

The fourth proportional to 404,701.40, 607,052.10 and 168,019.40 is: 252,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,701.40 : 607,052.10 = 168,019.40 : x
  2. Step 2: Convert to fraction form
    404,701.40/607,052.10 = 168,019.40/x
  3. Step 3: Cross multiply
    404,701.40x = 607,052.10 × 168,019.40
  4. Step 4: Simplify right side
    404,701.40x = 101,996,529,610.74
  5. Step 5: Solve for x
    x = 101,996,529,610.74/404,701.40
  6. Step 6: Final answer
    x = 252,029.10

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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.