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Finding the Fourth Proportional to 564,266.01, 778,700.55 and 322,571.07

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Solution

The fourth proportional to 564,266.01, 778,700.55 and 322,571.07 is: 445,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,266.01 : 778,700.55 = 322,571.07 : x
  2. Step 2: Convert to fraction form
    564,266.01/778,700.55 = 322,571.07/x
  3. Step 3: Cross multiply
    564,266.01x = 778,700.55 × 322,571.07
  4. Step 4: Simplify right side
    564,266.01x = 251,186,269,623.09
  5. Step 5: Solve for x
    x = 251,186,269,623.09/564,266.01
  6. Step 6: Final answer
    x = 445,155.77

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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.