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Finding the Fourth Proportional to 521,999.93, 783,116.42 and 167,035.25

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Solution

The fourth proportional to 521,999.93, 783,116.42 and 167,035.25 is: 250,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,999.93 : 783,116.42 = 167,035.25 : x
  2. Step 2: Convert to fraction form
    521,999.93/783,116.42 = 167,035.25/x
  3. Step 3: Cross multiply
    521,999.93x = 783,116.42 × 167,035.25
  4. Step 4: Simplify right side
    521,999.93x = 130,808,048,116.42
  5. Step 5: Solve for x
    x = 130,808,048,116.42/521,999.93
  6. Step 6: Final answer
    x = 250,590.16

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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.