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Finding the Fourth Proportional to 553,866.56, 830,806.42 and 154,483.04

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Solution

The fourth proportional to 553,866.56, 830,806.42 and 154,483.04 is: 231,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,866.56 : 830,806.42 = 154,483.04 : x
  2. Step 2: Convert to fraction form
    553,866.56/830,806.42 = 154,483.04/x
  3. Step 3: Cross multiply
    553,866.56x = 830,806.42 × 154,483.04
  4. Step 4: Simplify right side
    553,866.56x = 128,345,501,413.12
  5. Step 5: Solve for x
    x = 128,345,501,413.12/553,866.56
  6. Step 6: Final answer
    x = 231,726.40

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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.