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Finding the Fourth Proportional to 507,376.71, 700,022.25 and 292,489.38

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Solution

The fourth proportional to 507,376.71, 700,022.25 and 292,489.38 is: 403,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,376.71 : 700,022.25 = 292,489.38 : x
  2. Step 2: Convert to fraction form
    507,376.71/700,022.25 = 292,489.38/x
  3. Step 3: Cross multiply
    507,376.71x = 700,022.25 × 292,489.38
  4. Step 4: Simplify right side
    507,376.71x = 204,749,073,888.71
  5. Step 5: Solve for x
    x = 204,749,073,888.71/507,376.71
  6. Step 6: Final answer
    x = 403,544.49

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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.