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Finding the Fourth Proportional to 313,656.40, 470,502.63 and 88,999.26

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Solution

The fourth proportional to 313,656.40, 470,502.63 and 88,999.26 is: 133,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,656.40 : 470,502.63 = 88,999.26 : x
  2. Step 2: Convert to fraction form
    313,656.40/470,502.63 = 88,999.26/x
  3. Step 3: Cross multiply
    313,656.40x = 470,502.63 × 88,999.26
  4. Step 4: Simplify right side
    313,656.40x = 41,874,385,898.05
  5. Step 5: Solve for x
    x = 41,874,385,898.05/313,656.40
  6. Step 6: Final answer
    x = 133,504.01

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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.