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Finding the Fourth Proportional to 637,260.33, 879,316.35 and 365,278.17

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Solution

The fourth proportional to 637,260.33, 879,316.35 and 365,278.17 is: 504,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,260.33 : 879,316.35 = 365,278.17 : x
  2. Step 2: Convert to fraction form
    637,260.33/879,316.35 = 365,278.17/x
  3. Step 3: Cross multiply
    637,260.33x = 879,316.35 × 365,278.17
  4. Step 4: Simplify right side
    637,260.33x = 321,195,070,476.52
  5. Step 5: Solve for x
    x = 321,195,070,476.52/637,260.33
  6. Step 6: Final answer
    x = 504,024.90

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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.