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Finding the Fourth Proportional to 620,585.08, 930,859.02 and 171,333.36

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Solution

The fourth proportional to 620,585.08, 930,859.02 and 171,333.36 is: 256,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,585.08 : 930,859.02 = 171,333.36 : x
  2. Step 2: Convert to fraction form
    620,585.08/930,859.02 = 171,333.36/x
  3. Step 3: Cross multiply
    620,585.08x = 930,859.02 × 171,333.36
  4. Step 4: Simplify right side
    620,585.08x = 159,487,203,582.91
  5. Step 5: Solve for x
    x = 159,487,203,582.91/620,585.08
  6. Step 6: Final answer
    x = 256,994.91

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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.