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Finding the Fourth Proportional to 657,683.04, 907,559.73 and 371,164.17

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Solution

The fourth proportional to 657,683.04, 907,559.73 and 371,164.17 is: 512,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,683.04 : 907,559.73 = 371,164.17 : x
  2. Step 2: Convert to fraction form
    657,683.04/907,559.73 = 371,164.17/x
  3. Step 3: Cross multiply
    657,683.04x = 907,559.73 × 371,164.17
  4. Step 4: Simplify right side
    657,683.04x = 336,853,653,910.87
  5. Step 5: Solve for x
    x = 336,853,653,910.87/657,683.04
  6. Step 6: Final answer
    x = 512,182.36

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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.