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Finding the Fourth Proportional to 372,363.96, 513,846.91 and 202,598.76

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Solution

The fourth proportional to 372,363.96, 513,846.91 and 202,598.76 is: 279,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,363.96 : 513,846.91 = 202,598.76 : x
  2. Step 2: Convert to fraction form
    372,363.96/513,846.91 = 202,598.76/x
  3. Step 3: Cross multiply
    372,363.96x = 513,846.91 × 202,598.76
  4. Step 4: Simplify right side
    372,363.96x = 104,104,746,795.83
  5. Step 5: Solve for x
    x = 104,104,746,795.83/372,363.96
  6. Step 6: Final answer
    x = 279,577.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.