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Finding the Fourth Proportional to 463,419.40, 695,129.10 and 163,897.60

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Solution

The fourth proportional to 463,419.40, 695,129.10 and 163,897.60 is: 245,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,419.40 : 695,129.10 = 163,897.60 : x
  2. Step 2: Convert to fraction form
    463,419.40/695,129.10 = 163,897.60/x
  3. Step 3: Cross multiply
    463,419.40x = 695,129.10 × 163,897.60
  4. Step 4: Simplify right side
    463,419.40x = 113,929,991,180.16
  5. Step 5: Solve for x
    x = 113,929,991,180.16/463,419.40
  6. Step 6: Final answer
    x = 245,846.40

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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.