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Finding the Fourth Proportional to 610,713.54, 916,056.54 and 211,330.22

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Solution

The fourth proportional to 610,713.54, 916,056.54 and 211,330.22 is: 316,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,713.54 : 916,056.54 = 211,330.22 : x
  2. Step 2: Convert to fraction form
    610,713.54/916,056.54 = 211,330.22/x
  3. Step 3: Cross multiply
    610,713.54x = 916,056.54 × 211,330.22
  4. Step 4: Simplify right side
    610,713.54x = 193,590,425,550.36
  5. Step 5: Solve for x
    x = 193,590,425,550.36/610,713.54
  6. Step 6: Final answer
    x = 316,990.56

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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.