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Finding the Fourth Proportional to 564,368.18, 778,606.37 and 322,521.00

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Solution

The fourth proportional to 564,368.18, 778,606.37 and 322,521.00 is: 444,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,368.18 : 778,606.37 = 322,521.00 : x
  2. Step 2: Convert to fraction form
    564,368.18/778,606.37 = 322,521.00/x
  3. Step 3: Cross multiply
    564,368.18x = 778,606.37 × 322,521.00
  4. Step 4: Simplify right side
    564,368.18x = 251,116,903,018.59
  5. Step 5: Solve for x
    x = 251,116,903,018.59/564,368.18
  6. Step 6: Final answer
    x = 444,952.27

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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.