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Finding the Fourth Proportional to 657,298.44, 907,113.33 and 370,713.96

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Solution

The fourth proportional to 657,298.44, 907,113.33 and 370,713.96 is: 511,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,298.44 : 907,113.33 = 370,713.96 : x
  2. Step 2: Convert to fraction form
    657,298.44/907,113.33 = 370,713.96/x
  3. Step 3: Cross multiply
    657,298.44x = 907,113.33 × 370,713.96
  4. Step 4: Simplify right side
    657,298.44x = 336,279,574,733.09
  5. Step 5: Solve for x
    x = 336,279,574,733.09/657,298.44
  6. Step 6: Final answer
    x = 511,608.66

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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.