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Finding the Fourth Proportional to 375,884.40, 526,938 and 375,884.40

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Solution

The fourth proportional to 375,884.40, 526,938 and 375,884.40 is: 526,938

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,884.40 : 526,938 = 375,884.40 : x
  2. Step 2: Convert to fraction form
    375,884.40/526,938 = 375,884.40/x
  3. Step 3: Cross multiply
    375,884.40x = 526,938 × 375,884.40
  4. Step 4: Simplify right side
    375,884.40x = 198,067,773,967.20
  5. Step 5: Solve for x
    x = 198,067,773,967.20/375,884.40
  6. Step 6: Final answer
    x = 526,938

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.