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Finding the Fourth Proportional to 528,516.54, 792,895.96 and 229,047.40

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Solution

The fourth proportional to 528,516.54, 792,895.96 and 229,047.40 is: 343,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,516.54 : 792,895.96 = 229,047.40 : x
  2. Step 2: Convert to fraction form
    528,516.54/792,895.96 = 229,047.40/x
  3. Step 3: Cross multiply
    528,516.54x = 792,895.96 × 229,047.40
  4. Step 4: Simplify right side
    528,516.54x = 181,610,758,108.50
  5. Step 5: Solve for x
    x = 181,610,758,108.50/528,516.54
  6. Step 6: Final answer
    x = 343,623.60

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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.