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Finding the Fourth Proportional to 607,100.63, 838,082.36 and 352,402.79

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Solution

The fourth proportional to 607,100.63, 838,082.36 and 352,402.79 is: 486,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,100.63 : 838,082.36 = 352,402.79 : x
  2. Step 2: Convert to fraction form
    607,100.63/838,082.36 = 352,402.79/x
  3. Step 3: Cross multiply
    607,100.63x = 838,082.36 × 352,402.79
  4. Step 4: Simplify right side
    607,100.63x = 295,342,560,151.77
  5. Step 5: Solve for x
    x = 295,342,560,151.77/607,100.63
  6. Step 6: Final answer
    x = 486,480.40

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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.