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Finding the Fourth Proportional to 564,240.22, 778,651.51 and 322,528.03

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Solution

The fourth proportional to 564,240.22, 778,651.51 and 322,528.03 is: 445,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,240.22 : 778,651.51 = 322,528.03 : x
  2. Step 2: Convert to fraction form
    564,240.22/778,651.51 = 322,528.03/x
  3. Step 3: Cross multiply
    564,240.22x = 778,651.51 × 322,528.03
  4. Step 4: Simplify right side
    564,240.22x = 251,136,934,823.88
  5. Step 5: Solve for x
    x = 251,136,934,823.88/564,240.22
  6. Step 6: Final answer
    x = 445,088.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.