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Finding the Fourth Proportional to 657,878.14, 907,775.21 and 367,453.92

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Solution

The fourth proportional to 657,878.14, 907,775.21 and 367,453.92 is: 507,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,878.14 : 907,775.21 = 367,453.92 : x
  2. Step 2: Convert to fraction form
    657,878.14/907,775.21 = 367,453.92/x
  3. Step 3: Cross multiply
    657,878.14x = 907,775.21 × 367,453.92
  4. Step 4: Simplify right side
    657,878.14x = 333,565,557,576.42
  5. Step 5: Solve for x
    x = 333,565,557,576.42/657,878.14
  6. Step 6: Final answer
    x = 507,032.44

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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.