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Finding the Fourth Proportional to 556,688.68, 836,015.12 and 414,572.56

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Solution

The fourth proportional to 556,688.68, 836,015.12 and 414,572.56 is: 622,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,688.68 : 836,015.12 = 414,572.56 : x
  2. Step 2: Convert to fraction form
    556,688.68/836,015.12 = 414,572.56/x
  3. Step 3: Cross multiply
    556,688.68x = 836,015.12 × 414,572.56
  4. Step 4: Simplify right side
    556,688.68x = 346,588,928,497.11
  5. Step 5: Solve for x
    x = 346,588,928,497.11/556,688.68
  6. Step 6: Final answer
    x = 622,590.22

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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.