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Finding the Fourth Proportional to 578,531.10, 798,277.86 and 363,518.88

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Solution

The fourth proportional to 578,531.10, 798,277.86 and 363,518.88 is: 501,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,531.10 : 798,277.86 = 363,518.88 : x
  2. Step 2: Convert to fraction form
    578,531.10/798,277.86 = 363,518.88/x
  3. Step 3: Cross multiply
    578,531.10x = 798,277.86 × 363,518.88
  4. Step 4: Simplify right side
    578,531.10x = 290,189,073,596.00
  5. Step 5: Solve for x
    x = 290,189,073,596.00/578,531.10
  6. Step 6: Final answer
    x = 501,596.32

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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.