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Finding the Fourth Proportional to 528,068.30, 792,102.45 and 496,964.30

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Solution

The fourth proportional to 528,068.30, 792,102.45 and 496,964.30 is: 745,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,068.30 : 792,102.45 = 496,964.30 : x
  2. Step 2: Convert to fraction form
    528,068.30/792,102.45 = 496,964.30/x
  3. Step 3: Cross multiply
    528,068.30x = 792,102.45 × 496,964.30
  4. Step 4: Simplify right side
    528,068.30x = 393,646,639,592.54
  5. Step 5: Solve for x
    x = 393,646,639,592.54/528,068.30
  6. Step 6: Final answer
    x = 745,446.45

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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.