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Finding the Fourth Proportional to 453,647.60, 626,028.72 and 249,694.16

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Solution

The fourth proportional to 453,647.60, 626,028.72 and 249,694.16 is: 344,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,647.60 : 626,028.72 = 249,694.16 : x
  2. Step 2: Convert to fraction form
    453,647.60/626,028.72 = 249,694.16/x
  3. Step 3: Cross multiply
    453,647.60x = 626,028.72 × 249,694.16
  4. Step 4: Simplify right side
    453,647.60x = 156,315,715,376.28
  5. Step 5: Solve for x
    x = 156,315,715,376.28/453,647.60
  6. Step 6: Final answer
    x = 344,575.21

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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.