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Finding the Fourth Proportional to 253,213.34, 349,269.45 and 162,425.51

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Solution

The fourth proportional to 253,213.34, 349,269.45 and 162,425.51 is: 224,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,213.34 : 349,269.45 = 162,425.51 : x
  2. Step 2: Convert to fraction form
    253,213.34/349,269.45 = 162,425.51/x
  3. Step 3: Cross multiply
    253,213.34x = 349,269.45 × 162,425.51
  4. Step 4: Simplify right side
    253,213.34x = 56,730,266,797.32
  5. Step 5: Solve for x
    x = 56,730,266,797.32/253,213.34
  6. Step 6: Final answer
    x = 224,041.39

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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.