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Finding the Fourth Proportional to 564,368.88, 778,607.34 and 322,521.71

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Solution

The fourth proportional to 564,368.88, 778,607.34 and 322,521.71 is: 444,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,368.88 : 778,607.34 = 322,521.71 : x
  2. Step 2: Convert to fraction form
    564,368.88/778,607.34 = 322,521.71/x
  3. Step 3: Cross multiply
    564,368.88x = 778,607.34 × 322,521.71
  4. Step 4: Simplify right side
    564,368.88x = 251,117,765,612.86
  5. Step 5: Solve for x
    x = 251,117,765,612.86/564,368.88
  6. Step 6: Final answer
    x = 444,953.24

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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.