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Finding the Fourth Proportional to 235,035,634.40, 329,390,010.40 and 235,035,634.40

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Solution

The fourth proportional to 235,035,634.40, 329,390,010.40 and 235,035,634.40 is: 329,390,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,035,634.40 : 329,390,010.40 = 235,035,634.40 : x
  2. Step 2: Convert to fraction form
    235,035,634.40/329,390,010.40 = 235,035,634.40/x
  3. Step 3: Cross multiply
    235,035,634.40x = 329,390,010.40 × 235,035,634.40
  4. Step 4: Simplify right side
    235,035,634.40x = 77,418,390,059,386,592
  5. Step 5: Solve for x
    x = 77,418,390,059,386,592/235,035,634.40
  6. Step 6: Final answer
    x = 329,390,010.40

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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.