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Finding the Fourth Proportional to 564,256.53, 778,673.95 and 322,544.30

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Solution

The fourth proportional to 564,256.53, 778,673.95 and 322,544.30 is: 445,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,256.53 : 778,673.95 = 322,544.30 : x
  2. Step 2: Convert to fraction form
    564,256.53/778,673.95 = 322,544.30/x
  3. Step 3: Cross multiply
    564,256.53x = 778,673.95 × 322,544.30
  4. Step 4: Simplify right side
    564,256.53x = 251,156,839,431.26
  5. Step 5: Solve for x
    x = 251,156,839,431.26/564,256.53
  6. Step 6: Final answer
    x = 445,111.09

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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.