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Finding the Fourth Proportional to 473,047.72, 709,779.44 and 248,355.95

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Solution

The fourth proportional to 473,047.72, 709,779.44 and 248,355.95 is: 372,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,047.72 : 709,779.44 = 248,355.95 : x
  2. Step 2: Convert to fraction form
    473,047.72/709,779.44 = 248,355.95/x
  3. Step 3: Cross multiply
    473,047.72x = 709,779.44 × 248,355.95
  4. Step 4: Simplify right side
    473,047.72x = 176,277,944,183.66
  5. Step 5: Solve for x
    x = 176,277,944,183.66/473,047.72
  6. Step 6: Final answer
    x = 372,643.05

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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.