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Finding the Fourth Proportional to 472,187.36, 651,599.62 and 257,322.82

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Solution

The fourth proportional to 472,187.36, 651,599.62 and 257,322.82 is: 355,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,187.36 : 651,599.62 = 257,322.82 : x
  2. Step 2: Convert to fraction form
    472,187.36/651,599.62 = 257,322.82/x
  3. Step 3: Cross multiply
    472,187.36x = 651,599.62 × 257,322.82
  4. Step 4: Simplify right side
    472,187.36x = 167,671,451,729.33
  5. Step 5: Solve for x
    x = 167,671,451,729.33/472,187.36
  6. Step 6: Final answer
    x = 355,095.17

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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.