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Finding the Fourth Proportional to 559,952.15, 839,928.23 and 402,488.15

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Solution

The fourth proportional to 559,952.15, 839,928.23 and 402,488.15 is: 603,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,952.15 : 839,928.23 = 402,488.15 : x
  2. Step 2: Convert to fraction form
    559,952.15/839,928.23 = 402,488.15/x
  3. Step 3: Cross multiply
    559,952.15x = 839,928.23 × 402,488.15
  4. Step 4: Simplify right side
    559,952.15x = 338,061,157,413.03
  5. Step 5: Solve for x
    x = 338,061,157,413.03/559,952.15
  6. Step 6: Final answer
    x = 603,732.23

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Similar ratio
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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.