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Finding the Fourth Proportional to 532,916.64, 799,928.64 and 356,655.36

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Solution

The fourth proportional to 532,916.64, 799,928.64 and 356,655.36 is: 535,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,916.64 : 799,928.64 = 356,655.36 : x
  2. Step 2: Convert to fraction form
    532,916.64/799,928.64 = 356,655.36/x
  3. Step 3: Cross multiply
    532,916.64x = 799,928.64 × 356,655.36
  4. Step 4: Simplify right side
    532,916.64x = 285,298,837,073.51
  5. Step 5: Solve for x
    x = 285,298,837,073.51/532,916.64
  6. Step 6: Final answer
    x = 535,353.59

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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.