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Finding the Fourth Proportional to 334,805.90, 502,208.85 and 303,313.10

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Solution

The fourth proportional to 334,805.90, 502,208.85 and 303,313.10 is: 454,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,805.90 : 502,208.85 = 303,313.10 : x
  2. Step 2: Convert to fraction form
    334,805.90/502,208.85 = 303,313.10/x
  3. Step 3: Cross multiply
    334,805.90x = 502,208.85 × 303,313.10
  4. Step 4: Simplify right side
    334,805.90x = 152,326,523,140.94
  5. Step 5: Solve for x
    x = 152,326,523,140.94/334,805.90
  6. Step 6: Final answer
    x = 454,969.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.