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Finding the Fourth Proportional to 579,188.43, 798,806.09 and 407,674.17

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Solution

The fourth proportional to 579,188.43, 798,806.09 and 407,674.17 is: 562,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,188.43 : 798,806.09 = 407,674.17 : x
  2. Step 2: Convert to fraction form
    579,188.43/798,806.09 = 407,674.17/x
  3. Step 3: Cross multiply
    579,188.43x = 798,806.09 × 407,674.17
  4. Step 4: Simplify right side
    579,188.43x = 325,652,607,693.32
  5. Step 5: Solve for x
    x = 325,652,607,693.32/579,188.43
  6. Step 6: Final answer
    x = 562,256.76

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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.