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Finding the Fourth Proportional to 469,207.35, 703,860.21 and 153,688.86

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Solution

The fourth proportional to 469,207.35, 703,860.21 and 153,688.86 is: 230,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,207.35 : 703,860.21 = 153,688.86 : x
  2. Step 2: Convert to fraction form
    469,207.35/703,860.21 = 153,688.86/x
  3. Step 3: Cross multiply
    469,207.35x = 703,860.21 × 153,688.86
  4. Step 4: Simplify right side
    469,207.35x = 108,175,473,274.26
  5. Step 5: Solve for x
    x = 108,175,473,274.26/469,207.35
  6. Step 6: Final answer
    x = 230,549.40

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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.