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Finding the Fourth Proportional to 556,253.46, 834,413.40 and 156,928.32

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Solution

The fourth proportional to 556,253.46, 834,413.40 and 156,928.32 is: 235,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,253.46 : 834,413.40 = 156,928.32 : x
  2. Step 2: Convert to fraction form
    556,253.46/834,413.40 = 156,928.32/x
  3. Step 3: Cross multiply
    556,253.46x = 834,413.40 × 156,928.32
  4. Step 4: Simplify right side
    556,253.46x = 130,943,093,047.49
  5. Step 5: Solve for x
    x = 130,943,093,047.49/556,253.46
  6. Step 6: Final answer
    x = 235,401.85

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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.