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Finding the Fourth Proportional to 556,681.68, 836,004.60 and 414,565.56

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Solution

The fourth proportional to 556,681.68, 836,004.60 and 414,565.56 is: 622,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,681.68 : 836,004.60 = 414,565.56 : x
  2. Step 2: Convert to fraction form
    556,681.68/836,004.60 = 414,565.56/x
  3. Step 3: Cross multiply
    556,681.68x = 836,004.60 × 414,565.56
  4. Step 4: Simplify right side
    556,681.68x = 346,578,715,161.58
  5. Step 5: Solve for x
    x = 346,578,715,161.58/556,681.68
  6. Step 6: Final answer
    x = 622,579.70

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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.