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Finding the Fourth Proportional to 255,619,241.60, 383,428,862.40 and 255,619,241.60

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Solution

The fourth proportional to 255,619,241.60, 383,428,862.40 and 255,619,241.60 is: 383,428,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,619,241.60 : 383,428,862.40 = 255,619,241.60 : x
  2. Step 2: Convert to fraction form
    255,619,241.60/383,428,862.40 = 255,619,241.60/x
  3. Step 3: Cross multiply
    255,619,241.60x = 383,428,862.40 × 255,619,241.60
  4. Step 4: Simplify right side
    255,619,241.60x = 98,011,795,014,238,752
  5. Step 5: Solve for x
    x = 98,011,795,014,238,752/255,619,241.60
  6. Step 6: Final answer
    x = 383,428,862.40

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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.