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Finding the Fourth Proportional to 363,457.40, 544,970.10 and 223,316.60

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Solution

The fourth proportional to 363,457.40, 544,970.10 and 223,316.60 is: 334,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,457.40 : 544,970.10 = 223,316.60 : x
  2. Step 2: Convert to fraction form
    363,457.40/544,970.10 = 223,316.60/x
  3. Step 3: Cross multiply
    363,457.40x = 544,970.10 × 223,316.60
  4. Step 4: Simplify right side
    363,457.40x = 121,700,869,833.66
  5. Step 5: Solve for x
    x = 121,700,869,833.66/363,457.40
  6. Step 6: Final answer
    x = 334,842.18

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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.