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Finding the Fourth Proportional to 472,795.74, 652,445.19 and 257,935.74

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Solution

The fourth proportional to 472,795.74, 652,445.19 and 257,935.74 is: 355,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,795.74 : 652,445.19 = 257,935.74 : x
  2. Step 2: Convert to fraction form
    472,795.74/652,445.19 = 257,935.74/x
  3. Step 3: Cross multiply
    472,795.74x = 652,445.19 × 257,935.74
  4. Step 4: Simplify right side
    472,795.74x = 168,288,932,892.09
  5. Step 5: Solve for x
    x = 168,288,932,892.09/472,795.74
  6. Step 6: Final answer
    x = 355,944.27

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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.