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Finding the Fourth Proportional to 445,853.33, 668,639.51 and 146,264.10

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Solution

The fourth proportional to 445,853.33, 668,639.51 and 146,264.10 is: 219,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,853.33 : 668,639.51 = 146,264.10 : x
  2. Step 2: Convert to fraction form
    445,853.33/668,639.51 = 146,264.10/x
  3. Step 3: Cross multiply
    445,853.33x = 668,639.51 × 146,264.10
  4. Step 4: Simplify right side
    445,853.33x = 97,797,952,080.07
  5. Step 5: Solve for x
    x = 97,797,952,080.07/445,853.33
  6. Step 6: Final answer
    x = 219,350.05

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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.