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Finding the Fourth Proportional to 586,962.77, 810,673.85 and 395,647.25

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Solution

The fourth proportional to 586,962.77, 810,673.85 and 395,647.25 is: 546,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,962.77 : 810,673.85 = 395,647.25 : x
  2. Step 2: Convert to fraction form
    586,962.77/810,673.85 = 395,647.25/x
  3. Step 3: Cross multiply
    586,962.77x = 810,673.85 × 395,647.25
  4. Step 4: Simplify right side
    586,962.77x = 320,740,876,335.16
  5. Step 5: Solve for x
    x = 320,740,876,335.16/586,962.77
  6. Step 6: Final answer
    x = 546,441.61

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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.