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Finding the Fourth Proportional to 528,424.82, 792,758.10 and 228,955.22

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Solution

The fourth proportional to 528,424.82, 792,758.10 and 228,955.22 is: 343,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,424.82 : 792,758.10 = 228,955.22 : x
  2. Step 2: Convert to fraction form
    528,424.82/792,758.10 = 228,955.22/x
  3. Step 3: Cross multiply
    528,424.82x = 792,758.10 × 228,955.22
  4. Step 4: Simplify right side
    528,424.82x = 181,506,105,192.28
  5. Step 5: Solve for x
    x = 181,506,105,192.28/528,424.82
  6. Step 6: Final answer
    x = 343,485.20

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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.