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Finding the Fourth Proportional to 401,445.34, 602,168.28 and 101,948.38

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Solution

The fourth proportional to 401,445.34, 602,168.28 and 101,948.38 is: 152,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,445.34 : 602,168.28 = 101,948.38 : x
  2. Step 2: Convert to fraction form
    401,445.34/602,168.28 = 101,948.38/x
  3. Step 3: Cross multiply
    401,445.34x = 602,168.28 × 101,948.38
  4. Step 4: Simplify right side
    401,445.34x = 61,390,080,633.39
  5. Step 5: Solve for x
    x = 61,390,080,633.39/401,445.34
  6. Step 6: Final answer
    x = 152,922.64

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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.