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Finding the Fourth Proportional to 528,036.70, 792,055.05 and 496,932.70

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Solution

The fourth proportional to 528,036.70, 792,055.05 and 496,932.70 is: 745,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,036.70 : 792,055.05 = 496,932.70 : x
  2. Step 2: Convert to fraction form
    528,036.70/792,055.05 = 496,932.70/x
  3. Step 3: Cross multiply
    528,036.70x = 792,055.05 × 496,932.70
  4. Step 4: Simplify right side
    528,036.70x = 393,598,054,545.14
  5. Step 5: Solve for x
    x = 393,598,054,545.14/528,036.70
  6. Step 6: Final answer
    x = 745,399.05

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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.