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Finding the Fourth Proportional to 369,071.64, 553,177.35 and 169,413.12

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Solution

The fourth proportional to 369,071.64, 553,177.35 and 169,413.12 is: 253,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,071.64 : 553,177.35 = 169,413.12 : x
  2. Step 2: Convert to fraction form
    369,071.64/553,177.35 = 169,413.12/x
  3. Step 3: Cross multiply
    369,071.64x = 553,177.35 × 169,413.12
  4. Step 4: Simplify right side
    369,071.64x = 93,715,500,776.83
  5. Step 5: Solve for x
    x = 93,715,500,776.83/369,071.64
  6. Step 6: Final answer
    x = 253,922.25

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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.