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Finding the Fourth Proportional to 572,391.54, 858,732.30 and 404,240.40

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Solution

The fourth proportional to 572,391.54, 858,732.30 and 404,240.40 is: 606,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,391.54 : 858,732.30 = 404,240.40 : x
  2. Step 2: Convert to fraction form
    572,391.54/858,732.30 = 404,240.40/x
  3. Step 3: Cross multiply
    572,391.54x = 858,732.30 × 404,240.40
  4. Step 4: Simplify right side
    572,391.54x = 347,134,288,444.92
  5. Step 5: Solve for x
    x = 347,134,288,444.92/572,391.54
  6. Step 6: Final answer
    x = 606,463.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.