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Finding the Fourth Proportional to 657,065.61, 906,748.77 and 366,674.07

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Solution

The fourth proportional to 657,065.61, 906,748.77 and 366,674.07 is: 506,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,065.61 : 906,748.77 = 366,674.07 : x
  2. Step 2: Convert to fraction form
    657,065.61/906,748.77 = 366,674.07/x
  3. Step 3: Cross multiply
    657,065.61x = 906,748.77 × 366,674.07
  4. Step 4: Simplify right side
    657,065.61x = 332,481,261,963.39
  5. Step 5: Solve for x
    x = 332,481,261,963.39/657,065.61
  6. Step 6: Final answer
    x = 506,009.23

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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.