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Finding the Fourth Proportional to 453,855.42, 626,315.34 and 249,902.10

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Solution

The fourth proportional to 453,855.42, 626,315.34 and 249,902.10 is: 344,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,855.42 : 626,315.34 = 249,902.10 : x
  2. Step 2: Convert to fraction form
    453,855.42/626,315.34 = 249,902.10/x
  3. Step 3: Cross multiply
    453,855.42x = 626,315.34 × 249,902.10
  4. Step 4: Simplify right side
    453,855.42x = 156,517,518,728.21
  5. Step 5: Solve for x
    x = 156,517,518,728.21/453,855.42
  6. Step 6: Final answer
    x = 344,862.07

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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.