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Finding the Fourth Proportional to 564,275.06, 778,699.46 and 322,562.82

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Solution

The fourth proportional to 564,275.06, 778,699.46 and 322,562.82 is: 445,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,275.06 : 778,699.46 = 322,562.82 : x
  2. Step 2: Convert to fraction form
    564,275.06/778,699.46 = 322,562.82/x
  3. Step 3: Cross multiply
    564,275.06x = 778,699.46 × 322,562.82
  4. Step 4: Simplify right side
    564,275.06x = 251,179,492,137.26
  5. Step 5: Solve for x
    x = 251,179,492,137.26/564,275.06
  6. Step 6: Final answer
    x = 445,136.62

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1.5x scale

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.