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Finding the Fourth Proportional to 496,707,356.40, 745,061,034.60 and 448,334,415.60

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Solution

The fourth proportional to 496,707,356.40, 745,061,034.60 and 448,334,415.60 is: 672,501,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,707,356.40 : 745,061,034.60 = 448,334,415.60 : x
  2. Step 2: Convert to fraction form
    496,707,356.40/745,061,034.60 = 448,334,415.60/x
  3. Step 3: Cross multiply
    496,707,356.40x = 745,061,034.60 × 448,334,415.60
  4. Step 4: Simplify right side
    496,707,356.40x = 334,036,503,533,722,432
  5. Step 5: Solve for x
    x = 334,036,503,533,722,432/496,707,356.40
  6. Step 6: Final answer
    x = 672,501,623.40

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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.