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Finding the Fourth Proportional to 657,362.92, 907,109.22 and 370,952.68

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Solution

The fourth proportional to 657,362.92, 907,109.22 and 370,952.68 is: 511,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,362.92 : 907,109.22 = 370,952.68 : x
  2. Step 2: Convert to fraction form
    657,362.92/907,109.22 = 370,952.68/x
  3. Step 3: Cross multiply
    657,362.92x = 907,109.22 × 370,952.68
  4. Step 4: Simplify right side
    657,362.92x = 336,494,596,211.71
  5. Step 5: Solve for x
    x = 336,494,596,211.71/657,362.92
  6. Step 6: Final answer
    x = 511,885.57

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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.