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Finding the Fourth Proportional to 302,889.78, 454,303.08 and 134,413.02

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Solution

The fourth proportional to 302,889.78, 454,303.08 and 134,413.02 is: 201,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,889.78 : 454,303.08 = 134,413.02 : x
  2. Step 2: Convert to fraction form
    302,889.78/454,303.08 = 134,413.02/x
  3. Step 3: Cross multiply
    302,889.78x = 454,303.08 × 134,413.02
  4. Step 4: Simplify right side
    302,889.78x = 61,064,248,978.10
  5. Step 5: Solve for x
    x = 61,064,248,978.10/302,889.78
  6. Step 6: Final answer
    x = 201,605.51

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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.