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Finding the Fourth Proportional to 468,666.14, 646,759.89 and 253,806.57

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Solution

The fourth proportional to 468,666.14, 646,759.89 and 253,806.57 is: 350,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,666.14 : 646,759.89 = 253,806.57 : x
  2. Step 2: Convert to fraction form
    468,666.14/646,759.89 = 253,806.57/x
  3. Step 3: Cross multiply
    468,666.14x = 646,759.89 × 253,806.57
  4. Step 4: Simplify right side
    468,666.14x = 164,151,909,294.48
  5. Step 5: Solve for x
    x = 164,151,909,294.48/468,666.14
  6. Step 6: Final answer
    x = 350,253.40

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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.