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Finding the Fourth Proportional to 235,248,330.40, 329,687,784.80 and 235,248,330.40

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Solution

The fourth proportional to 235,248,330.40, 329,687,784.80 and 235,248,330.40 is: 329,687,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,248,330.40 : 329,687,784.80 = 235,248,330.40 : x
  2. Step 2: Convert to fraction form
    235,248,330.40/329,687,784.80 = 235,248,330.40/x
  3. Step 3: Cross multiply
    235,248,330.40x = 329,687,784.80 × 235,248,330.40
  4. Step 4: Simplify right side
    235,248,330.40x = 77,558,500,927,474,496
  5. Step 5: Solve for x
    x = 77,558,500,927,474,496/235,248,330.40
  6. Step 6: Final answer
    x = 329,687,784.80

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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.