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Finding the Fourth Proportional to 239,187,848.40, 335,769,980.40 and 239,187,848.40

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Solution

The fourth proportional to 239,187,848.40, 335,769,980.40 and 239,187,848.40 is: 335,769,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,187,848.40 : 335,769,980.40 = 239,187,848.40 : x
  2. Step 2: Convert to fraction form
    239,187,848.40/335,769,980.40 = 239,187,848.40/x
  3. Step 3: Cross multiply
    239,187,848.40x = 335,769,980.40 × 239,187,848.40
  4. Step 4: Simplify right side
    239,187,848.40x = 80,312,099,169,186,160
  5. Step 5: Solve for x
    x = 80,312,099,169,186,160/239,187,848.40
  6. Step 6: Final answer
    x = 335,769,980.40

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1.5x scale

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.