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Finding the Fourth Proportional to 436,015.71, 601,326.99 and 282,903.03

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Solution

The fourth proportional to 436,015.71, 601,326.99 and 282,903.03 is: 390,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,015.71 : 601,326.99 = 282,903.03 : x
  2. Step 2: Convert to fraction form
    436,015.71/601,326.99 = 282,903.03/x
  3. Step 3: Cross multiply
    436,015.71x = 601,326.99 × 282,903.03
  4. Step 4: Simplify right side
    436,015.71x = 170,117,227,491.78
  5. Step 5: Solve for x
    x = 170,117,227,491.78/436,015.71
  6. Step 6: Final answer
    x = 390,163.07

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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.