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Finding the Fourth Proportional to 575,611.18, 863,229.93 and 191,256.81

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Solution

The fourth proportional to 575,611.18, 863,229.93 and 191,256.81 is: 286,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,611.18 : 863,229.93 = 191,256.81 : x
  2. Step 2: Convert to fraction form
    575,611.18/863,229.93 = 191,256.81/x
  3. Step 3: Cross multiply
    575,611.18x = 863,229.93 × 191,256.81
  4. Step 4: Simplify right side
    575,611.18x = 165,098,602,708.32
  5. Step 5: Solve for x
    x = 165,098,602,708.32/575,611.18
  6. Step 6: Final answer
    x = 286,823.13

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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.