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Finding the Fourth Proportional to 350,875.18, 484,207.40 and 189,729.86

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Solution

The fourth proportional to 350,875.18, 484,207.40 and 189,729.86 is: 261,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,875.18 : 484,207.40 = 189,729.86 : x
  2. Step 2: Convert to fraction form
    350,875.18/484,207.40 = 189,729.86/x
  3. Step 3: Cross multiply
    350,875.18x = 484,207.40 × 189,729.86
  4. Step 4: Simplify right side
    350,875.18x = 91,868,602,212.96
  5. Step 5: Solve for x
    x = 91,868,602,212.96/350,875.18
  6. Step 6: Final answer
    x = 261,827.02

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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.