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Finding the Fourth Proportional to 453,838.56, 626,292.05 and 249,885.22

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Solution

The fourth proportional to 453,838.56, 626,292.05 and 249,885.22 is: 344,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,838.56 : 626,292.05 = 249,885.22 : x
  2. Step 2: Convert to fraction form
    453,838.56/626,292.05 = 249,885.22/x
  3. Step 3: Cross multiply
    453,838.56x = 626,292.05 × 249,885.22
  4. Step 4: Simplify right side
    453,838.56x = 156,501,123,883.35
  5. Step 5: Solve for x
    x = 156,501,123,883.35/453,838.56
  6. Step 6: Final answer
    x = 344,838.75

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1.5x scale

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.