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Finding the Fourth Proportional to 356,345.70, 534,462.85 and 116,457.69

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Solution

The fourth proportional to 356,345.70, 534,462.85 and 116,457.69 is: 174,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,345.70 : 534,462.85 = 116,457.69 : x
  2. Step 2: Convert to fraction form
    356,345.70/534,462.85 = 116,457.69/x
  3. Step 3: Cross multiply
    356,345.70x = 534,462.85 × 116,457.69
  4. Step 4: Simplify right side
    356,345.70x = 62,242,308,901.82
  5. Step 5: Solve for x
    x = 62,242,308,901.82/356,345.70
  6. Step 6: Final answer
    x = 174,668.33

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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.