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Finding the Fourth Proportional to 404,701.30, 558,492.32 and 223,413.32

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Solution

The fourth proportional to 404,701.30, 558,492.32 and 223,413.32 is: 308,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,701.30 : 558,492.32 = 223,413.32 : x
  2. Step 2: Convert to fraction form
    404,701.30/558,492.32 = 223,413.32/x
  3. Step 3: Cross multiply
    404,701.30x = 558,492.32 × 223,413.32
  4. Step 4: Simplify right side
    404,701.30x = 124,774,623,405.70
  5. Step 5: Solve for x
    x = 124,774,623,405.70/404,701.30
  6. Step 6: Final answer
    x = 308,312.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.