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Finding the Fourth Proportional to 637,264.17, 879,321.65 and 365,282.01

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Solution

The fourth proportional to 637,264.17, 879,321.65 and 365,282.01 is: 504,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,264.17 : 879,321.65 = 365,282.01 : x
  2. Step 2: Convert to fraction form
    637,264.17/879,321.65 = 365,282.01/x
  3. Step 3: Cross multiply
    637,264.17x = 879,321.65 × 365,282.01
  4. Step 4: Simplify right side
    637,264.17x = 321,200,377,922.11
  5. Step 5: Solve for x
    x = 321,200,377,922.11/637,264.17
  6. Step 6: Final answer
    x = 504,030.19

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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.