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Finding the Fourth Proportional to 528,506.79, 792,881.28 and 229,037.64

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Solution

The fourth proportional to 528,506.79, 792,881.28 and 229,037.64 is: 343,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,506.79 : 792,881.28 = 229,037.64 : x
  2. Step 2: Convert to fraction form
    528,506.79/792,881.28 = 229,037.64/x
  3. Step 3: Cross multiply
    528,506.79x = 792,881.28 × 229,037.64
  4. Step 4: Simplify right side
    528,506.79x = 181,599,657,171.38
  5. Step 5: Solve for x
    x = 181,599,657,171.38/528,506.79
  6. Step 6: Final answer
    x = 343,608.94

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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.