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Finding the Fourth Proportional to 610,807.39, 842,954.06 and 352,695.22

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Solution

The fourth proportional to 610,807.39, 842,954.06 and 352,695.22 is: 486,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,807.39 : 842,954.06 = 352,695.22 : x
  2. Step 2: Convert to fraction form
    610,807.39/842,954.06 = 352,695.22/x
  3. Step 3: Cross multiply
    610,807.39x = 842,954.06 × 352,695.22
  4. Step 4: Simplify right side
    610,807.39x = 297,305,869,173.65
  5. Step 5: Solve for x
    x = 297,305,869,173.65/610,807.39
  6. Step 6: Final answer
    x = 486,742.42

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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.