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Finding the Fourth Proportional to 606,641.40, 906,408.48 and 585,425.91

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Solution

The fourth proportional to 606,641.40, 906,408.48 and 585,425.91 is: 874,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,641.40 : 906,408.48 = 585,425.91 : x
  2. Step 2: Convert to fraction form
    606,641.40/906,408.48 = 585,425.91/x
  3. Step 3: Cross multiply
    606,641.40x = 906,408.48 × 585,425.91
  4. Step 4: Simplify right side
    606,641.40x = 530,635,009,235.72
  5. Step 5: Solve for x
    x = 530,635,009,235.72/606,641.40
  6. Step 6: Final answer
    x = 874,709.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.