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Finding the Fourth Proportional to 613,718, 846,930.96 and 359,118.08

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Solution

The fourth proportional to 613,718, 846,930.96 and 359,118.08 is: 495,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,718 : 846,930.96 = 359,118.08 : x
  2. Step 2: Convert to fraction form
    613,718/846,930.96 = 359,118.08/x
  3. Step 3: Cross multiply
    613,718x = 846,930.96 × 359,118.08
  4. Step 4: Simplify right side
    613,718x = 304,148,220,247.76
  5. Step 5: Solve for x
    x = 304,148,220,247.76/613,718
  6. Step 6: Final answer
    x = 495,583.02

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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.