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Finding the Fourth Proportional to 353,659.75, 530,192.05 and 153,829.62

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Solution

The fourth proportional to 353,659.75, 530,192.05 and 153,829.62 is: 230,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,659.75 : 530,192.05 = 153,829.62 : x
  2. Step 2: Convert to fraction form
    353,659.75/530,192.05 = 153,829.62/x
  3. Step 3: Cross multiply
    353,659.75x = 530,192.05 × 153,829.62
  4. Step 4: Simplify right side
    353,659.75x = 81,559,241,193.95
  5. Step 5: Solve for x
    x = 81,559,241,193.95/353,659.75
  6. Step 6: Final answer
    x = 230,615.00

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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.