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Finding the Fourth Proportional to 424,883.52, 585,074.52 and 415,453.68

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Solution

The fourth proportional to 424,883.52, 585,074.52 and 415,453.68 is: 572,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,883.52 : 585,074.52 = 415,453.68 : x
  2. Step 2: Convert to fraction form
    424,883.52/585,074.52 = 415,453.68/x
  3. Step 3: Cross multiply
    424,883.52x = 585,074.52 × 415,453.68
  4. Step 4: Simplify right side
    424,883.52x = 243,071,362,408.23
  5. Step 5: Solve for x
    x = 243,071,362,408.23/424,883.52
  6. Step 6: Final answer
    x = 572,089.41

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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.