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Finding the Fourth Proportional to 554,246.82, 764,860.83 and 299,598.01

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Solution

The fourth proportional to 554,246.82, 764,860.83 and 299,598.01 is: 413,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,246.82 : 764,860.83 = 299,598.01 : x
  2. Step 2: Convert to fraction form
    554,246.82/764,860.83 = 299,598.01/x
  3. Step 3: Cross multiply
    554,246.82x = 764,860.83 × 299,598.01
  4. Step 4: Simplify right side
    554,246.82x = 229,150,779,559.30
  5. Step 5: Solve for x
    x = 229,150,779,559.30/554,246.82
  6. Step 6: Final answer
    x = 413,445.37

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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.