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Finding the Fourth Proportional to 554,294.64, 764,927.04 and 299,645.76

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Solution

The fourth proportional to 554,294.64, 764,927.04 and 299,645.76 is: 413,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,294.64 : 764,927.04 = 299,645.76 : x
  2. Step 2: Convert to fraction form
    554,294.64/764,927.04 = 299,645.76/x
  3. Step 3: Cross multiply
    554,294.64x = 764,927.04 × 299,645.76
  4. Step 4: Simplify right side
    554,294.64x = 229,207,144,245.35
  5. Step 5: Solve for x
    x = 229,207,144,245.35/554,294.64
  6. Step 6: Final answer
    x = 413,511.38

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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.