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Finding the Fourth Proportional to 211,364,778.40, 295,306,028 and 211,364,778.40

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Solution

The fourth proportional to 211,364,778.40, 295,306,028 and 211,364,778.40 is: 295,306,028

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,364,778.40 : 295,306,028 = 211,364,778.40 : x
  2. Step 2: Convert to fraction form
    211,364,778.40/295,306,028 = 211,364,778.40/x
  3. Step 3: Cross multiply
    211,364,778.40x = 295,306,028 × 211,364,778.40
  4. Step 4: Simplify right side
    211,364,778.40x = 62,417,293,168,404,200
  5. Step 5: Solve for x
    x = 62,417,293,168,404,200/211,364,778.40
  6. Step 6: Final answer
    x = 295,306,028

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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.