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Finding the Fourth Proportional to 567,812.68, 849,947.40 and 418,221.88

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Solution

The fourth proportional to 567,812.68, 849,947.40 and 418,221.88 is: 626,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,812.68 : 849,947.40 = 418,221.88 : x
  2. Step 2: Convert to fraction form
    567,812.68/849,947.40 = 418,221.88/x
  3. Step 3: Cross multiply
    567,812.68x = 849,947.40 × 418,221.88
  4. Step 4: Simplify right side
    567,812.68x = 355,466,599,529.11
  5. Step 5: Solve for x
    x = 355,466,599,529.11/567,812.68
  6. Step 6: Final answer
    x = 626,027.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.