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Finding the Fourth Proportional to 608,411.96, 838,730.22 and 417,122.36

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Solution

The fourth proportional to 608,411.96, 838,730.22 and 417,122.36 is: 575,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,411.96 : 838,730.22 = 417,122.36 : x
  2. Step 2: Convert to fraction form
    608,411.96/838,730.22 = 417,122.36/x
  3. Step 3: Cross multiply
    608,411.96x = 838,730.22 × 417,122.36
  4. Step 4: Simplify right side
    608,411.96x = 349,853,128,769.72
  5. Step 5: Solve for x
    x = 349,853,128,769.72/608,411.96
  6. Step 6: Final answer
    x = 575,026.71

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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.