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Finding the Fourth Proportional to 564,225.21, 846,810.45 and 528,757.74

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Solution

The fourth proportional to 564,225.21, 846,810.45 and 528,757.74 is: 793,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,225.21 : 846,810.45 = 528,757.74 : x
  2. Step 2: Convert to fraction form
    564,225.21/846,810.45 = 528,757.74/x
  3. Step 3: Cross multiply
    564,225.21x = 846,810.45 × 528,757.74
  4. Step 4: Simplify right side
    564,225.21x = 447,757,579,750.38
  5. Step 5: Solve for x
    x = 447,757,579,750.38/564,225.21
  6. Step 6: Final answer
    x = 793,579.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.