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Finding the Fourth Proportional to 564,253.39, 778,669.71 and 322,541.22

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Solution

The fourth proportional to 564,253.39, 778,669.71 and 322,541.22 is: 445,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,253.39 : 778,669.71 = 322,541.22 : x
  2. Step 2: Convert to fraction form
    564,253.39/778,669.71 = 322,541.22/x
  3. Step 3: Cross multiply
    564,253.39x = 778,669.71 × 322,541.22
  4. Step 4: Simplify right side
    564,253.39x = 251,153,079,950.93
  5. Step 5: Solve for x
    x = 251,153,079,950.93/564,253.39
  6. Step 6: Final answer
    x = 445,106.90

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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.