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Finding the Fourth Proportional to 238,660,358.90, 335,031,495.10 and 238,660,358.90

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Solution

The fourth proportional to 238,660,358.90, 335,031,495.10 and 238,660,358.90 is: 335,031,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,660,358.90 : 335,031,495.10 = 238,660,358.90 : x
  2. Step 2: Convert to fraction form
    238,660,358.90/335,031,495.10 = 238,660,358.90/x
  3. Step 3: Cross multiply
    238,660,358.90x = 335,031,495.10 × 238,660,358.90
  4. Step 4: Simplify right side
    238,660,358.90x = 79,958,736,863,369,600
  5. Step 5: Solve for x
    x = 79,958,736,863,369,600/238,660,358.90
  6. Step 6: Final answer
    x = 335,031,495.10

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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.