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Finding the Fourth Proportional to 451,476, 623,032.69 and 247,538.25

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Solution

The fourth proportional to 451,476, 623,032.69 and 247,538.25 is: 341,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,476 : 623,032.69 = 247,538.25 : x
  2. Step 2: Convert to fraction form
    451,476/623,032.69 = 247,538.25/x
  3. Step 3: Cross multiply
    451,476x = 623,032.69 × 247,538.25
  4. Step 4: Simplify right side
    451,476x = 154,224,421,775.39
  5. Step 5: Solve for x
    x = 154,224,421,775.39/451,476
  6. Step 6: Final answer
    x = 341,600.49

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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.