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Finding the Fourth Proportional to 530,174, 795,316.28 and 170,253.94

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Solution

The fourth proportional to 530,174, 795,316.28 and 170,253.94 is: 255,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,174 : 795,316.28 = 170,253.94 : x
  2. Step 2: Convert to fraction form
    530,174/795,316.28 = 170,253.94/x
  3. Step 3: Cross multiply
    530,174x = 795,316.28 × 170,253.94
  4. Step 4: Simplify right side
    530,174x = 135,405,730,216.14
  5. Step 5: Solve for x
    x = 135,405,730,216.14/530,174
  6. Step 6: Final answer
    x = 255,398.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.