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Finding the Fourth Proportional to 707,249.07, 976,024.85 and 435,473.78

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Solution

The fourth proportional to 707,249.07, 976,024.85 and 435,473.78 is: 600,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,249.07 : 976,024.85 = 435,473.78 : x
  2. Step 2: Convert to fraction form
    707,249.07/976,024.85 = 435,473.78/x
  3. Step 3: Cross multiply
    707,249.07x = 976,024.85 × 435,473.78
  4. Step 4: Simplify right side
    707,249.07x = 425,033,223,745.94
  5. Step 5: Solve for x
    x = 425,033,223,745.94/707,249.07
  6. Step 6: Final answer
    x = 600,966.82

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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.