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Finding the Fourth Proportional to 564,927.94, 779,597.89 and 306,803.08

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Solution

The fourth proportional to 564,927.94, 779,597.89 and 306,803.08 is: 423,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,927.94 : 779,597.89 = 306,803.08 : x
  2. Step 2: Convert to fraction form
    564,927.94/779,597.89 = 306,803.08/x
  3. Step 3: Cross multiply
    564,927.94x = 779,597.89 × 306,803.08
  4. Step 4: Simplify right side
    564,927.94x = 239,183,033,813.50
  5. Step 5: Solve for x
    x = 239,183,033,813.50/564,927.94
  6. Step 6: Final answer
    x = 423,386.80

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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.