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Finding the Fourth Proportional to 453,643.58, 626,023.20 and 249,690.14

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Solution

The fourth proportional to 453,643.58, 626,023.20 and 249,690.14 is: 344,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,643.58 : 626,023.20 = 249,690.14 : x
  2. Step 2: Convert to fraction form
    453,643.58/626,023.20 = 249,690.14/x
  3. Step 3: Cross multiply
    453,643.58x = 626,023.20 × 249,690.14
  4. Step 4: Simplify right side
    453,643.58x = 156,311,820,451.25
  5. Step 5: Solve for x
    x = 156,311,820,451.25/453,643.58
  6. Step 6: Final answer
    x = 344,569.67

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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.