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Finding the Fourth Proportional to 635,554.38, 876,851.58 and 359,874.69

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Solution

The fourth proportional to 635,554.38, 876,851.58 and 359,874.69 is: 496,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,554.38 : 876,851.58 = 359,874.69 : x
  2. Step 2: Convert to fraction form
    635,554.38/876,851.58 = 359,874.69/x
  3. Step 3: Cross multiply
    635,554.38x = 876,851.58 × 359,874.69
  4. Step 4: Simplify right side
    635,554.38x = 315,556,690,528.51
  5. Step 5: Solve for x
    x = 315,556,690,528.51/635,554.38
  6. Step 6: Final answer
    x = 496,506.20

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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.