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Finding the Fourth Proportional to 283,225.52, 390,805.48 and 162,344.56

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Solution

The fourth proportional to 283,225.52, 390,805.48 and 162,344.56 is: 224,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,225.52 : 390,805.48 = 162,344.56 : x
  2. Step 2: Convert to fraction form
    283,225.52/390,805.48 = 162,344.56/x
  3. Step 3: Cross multiply
    283,225.52x = 390,805.48 × 162,344.56
  4. Step 4: Simplify right side
    283,225.52x = 63,445,143,696.19
  5. Step 5: Solve for x
    x = 63,445,143,696.19/283,225.52
  6. Step 6: Final answer
    x = 224,009.28

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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.