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Finding the Fourth Proportional to 555,235.04, 832,837.44 and 155,879.12

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Solution

The fourth proportional to 555,235.04, 832,837.44 and 155,879.12 is: 233,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,235.04 : 832,837.44 = 155,879.12 : x
  2. Step 2: Convert to fraction form
    555,235.04/832,837.44 = 155,879.12/x
  3. Step 3: Cross multiply
    555,235.04x = 832,837.44 × 155,879.12
  4. Step 4: Simplify right side
    555,235.04x = 129,821,967,250.25
  5. Step 5: Solve for x
    x = 129,821,967,250.25/555,235.04
  6. Step 6: Final answer
    x = 233,814.44

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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.