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Finding the Fourth Proportional to 602,302,840.64, 903,057,788.64 and 397,205,552.96

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Solution

The fourth proportional to 602,302,840.64, 903,057,788.64 and 397,205,552.96 is: 595,546,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,302,840.64 : 903,057,788.64 = 397,205,552.96 : x
  2. Step 2: Convert to fraction form
    602,302,840.64/903,057,788.64 = 397,205,552.96/x
  3. Step 3: Cross multiply
    602,302,840.64x = 903,057,788.64 × 397,205,552.96
  4. Step 4: Simplify right side
    602,302,840.64x = 358,699,568,291,585,984
  5. Step 5: Solve for x
    x = 358,699,568,291,585,984/602,302,840.64
  6. Step 6: Final answer
    x = 595,546,864.61

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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.