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Finding the Fourth Proportional to 333,276.96, 499,990.47 and 105,586.30

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Solution

The fourth proportional to 333,276.96, 499,990.47 and 105,586.30 is: 158,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,276.96 : 499,990.47 = 105,586.30 : x
  2. Step 2: Convert to fraction form
    333,276.96/499,990.47 = 105,586.30/x
  3. Step 3: Cross multiply
    333,276.96x = 499,990.47 × 105,586.30
  4. Step 4: Simplify right side
    333,276.96x = 52,792,144,484.61
  5. Step 5: Solve for x
    x = 52,792,144,484.61/333,276.96
  6. Step 6: Final answer
    x = 158,403.22

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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.