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Finding the Fourth Proportional to 453,719.19, 626,111.01 and 249,765.96

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Solution

The fourth proportional to 453,719.19, 626,111.01 and 249,765.96 is: 344,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,719.19 : 626,111.01 = 249,765.96 : x
  2. Step 2: Convert to fraction form
    453,719.19/626,111.01 = 249,765.96/x
  3. Step 3: Cross multiply
    453,719.19x = 626,111.01 × 249,765.96
  4. Step 4: Simplify right side
    453,719.19x = 156,381,217,479.22
  5. Step 5: Solve for x
    x = 156,381,217,479.22/453,719.19
  6. Step 6: Final answer
    x = 344,665.20

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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.