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Finding the Fourth Proportional to 453,969.03, 626,457.05 and 260,237.85

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Solution

The fourth proportional to 453,969.03, 626,457.05 and 260,237.85 is: 359,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,969.03 : 626,457.05 = 260,237.85 : x
  2. Step 2: Convert to fraction form
    453,969.03/626,457.05 = 260,237.85/x
  3. Step 3: Cross multiply
    453,969.03x = 626,457.05 × 260,237.85
  4. Step 4: Simplify right side
    453,969.03x = 163,027,832,942.01
  5. Step 5: Solve for x
    x = 163,027,832,942.01/453,969.03
  6. Step 6: Final answer
    x = 359,116.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.