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Finding the Fourth Proportional to 508,605.84, 701,804.28 and 304,608.96

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Solution

The fourth proportional to 508,605.84, 701,804.28 and 304,608.96 is: 420,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,605.84 : 701,804.28 = 304,608.96 : x
  2. Step 2: Convert to fraction form
    508,605.84/701,804.28 = 304,608.96/x
  3. Step 3: Cross multiply
    508,605.84x = 701,804.28 × 304,608.96
  4. Step 4: Simplify right side
    508,605.84x = 213,775,871,854.35
  5. Step 5: Solve for x
    x = 213,775,871,854.35/508,605.84
  6. Step 6: Final answer
    x = 420,317.38

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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.