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Finding the Fourth Proportional to 413,958.78, 623,704.39 and 374,024.16

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Solution

The fourth proportional to 413,958.78, 623,704.39 and 374,024.16 is: 563,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,958.78 : 623,704.39 = 374,024.16 : x
  2. Step 2: Convert to fraction form
    413,958.78/623,704.39 = 374,024.16/x
  3. Step 3: Cross multiply
    413,958.78x = 623,704.39 × 374,024.16
  4. Step 4: Simplify right side
    413,958.78x = 233,280,510,558.06
  5. Step 5: Solve for x
    x = 233,280,510,558.06/413,958.78
  6. Step 6: Final answer
    x = 563,535.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.