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Finding the Fourth Proportional to 556,307.20, 834,460.80 and 335,123.20

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Solution

The fourth proportional to 556,307.20, 834,460.80 and 335,123.20 is: 502,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,307.20 : 834,460.80 = 335,123.20 : x
  2. Step 2: Convert to fraction form
    556,307.20/834,460.80 = 335,123.20/x
  3. Step 3: Cross multiply
    556,307.20x = 834,460.80 × 335,123.20
  4. Step 4: Simplify right side
    556,307.20x = 279,647,173,570.56
  5. Step 5: Solve for x
    x = 279,647,173,570.56/556,307.20
  6. Step 6: Final answer
    x = 502,684.80

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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.