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Finding the Fourth Proportional to 575,615.30, 863,602.78 and 196,545.02

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Solution

The fourth proportional to 575,615.30, 863,602.78 and 196,545.02 is: 294,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,615.30 : 863,602.78 = 196,545.02 : x
  2. Step 2: Convert to fraction form
    575,615.30/863,602.78 = 196,545.02/x
  3. Step 3: Cross multiply
    575,615.30x = 863,602.78 × 196,545.02
  4. Step 4: Simplify right side
    575,615.30x = 169,736,825,667.16
  5. Step 5: Solve for x
    x = 169,736,825,667.16/575,615.30
  6. Step 6: Final answer
    x = 294,878.93

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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.