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Finding the Fourth Proportional to 417,416.52, 625,852.56 and 274,830.24

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Solution

The fourth proportional to 417,416.52, 625,852.56 and 274,830.24 is: 412,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,416.52 : 625,852.56 = 274,830.24 : x
  2. Step 2: Convert to fraction form
    417,416.52/625,852.56 = 274,830.24/x
  3. Step 3: Cross multiply
    417,416.52x = 625,852.56 × 274,830.24
  4. Step 4: Simplify right side
    417,416.52x = 172,003,209,269.41
  5. Step 5: Solve for x
    x = 172,003,209,269.41/417,416.52
  6. Step 6: Final answer
    x = 412,066.13

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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.