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Finding the Fourth Proportional to 657,070.74, 906,757.44 and 370,590.24

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Solution

The fourth proportional to 657,070.74, 906,757.44 and 370,590.24 is: 511,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,070.74 : 906,757.44 = 370,590.24 : x
  2. Step 2: Convert to fraction form
    657,070.74/906,757.44 = 370,590.24/x
  3. Step 3: Cross multiply
    657,070.74x = 906,757.44 × 370,590.24
  4. Step 4: Simplify right side
    657,070.74x = 336,035,457,311.39
  5. Step 5: Solve for x
    x = 336,035,457,311.39/657,070.74
  6. Step 6: Final answer
    x = 511,414.43

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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.