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Finding the Fourth Proportional to 194,048,263.20, 291,072,394.80 and 194,048,263.20

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Solution

The fourth proportional to 194,048,263.20, 291,072,394.80 and 194,048,263.20 is: 291,072,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,048,263.20 : 291,072,394.80 = 194,048,263.20 : x
  2. Step 2: Convert to fraction form
    194,048,263.20/291,072,394.80 = 194,048,263.20/x
  3. Step 3: Cross multiply
    194,048,263.20x = 291,072,394.80 × 194,048,263.20
  4. Step 4: Simplify right side
    194,048,263.20x = 56,482,092,676,404,712
  5. Step 5: Solve for x
    x = 56,482,092,676,404,712/194,048,263.20
  6. Step 6: Final answer
    x = 291,072,394.80

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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.