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Finding the Fourth Proportional to 564,368.93, 778,607.40 and 322,521.75

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Solution

The fourth proportional to 564,368.93, 778,607.40 and 322,521.75 is: 444,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,368.93 : 778,607.40 = 322,521.75 : x
  2. Step 2: Convert to fraction form
    564,368.93/778,607.40 = 322,521.75/x
  3. Step 3: Cross multiply
    564,368.93x = 778,607.40 × 322,521.75
  4. Step 4: Simplify right side
    564,368.93x = 251,117,821,210.95
  5. Step 5: Solve for x
    x = 251,117,821,210.95/564,368.93
  6. Step 6: Final answer
    x = 444,953.31

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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.