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Finding the Fourth Proportional to 472,187.37, 651,599.61 and 257,322.81

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Solution

The fourth proportional to 472,187.37, 651,599.61 and 257,322.81 is: 355,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,187.37 : 651,599.61 = 257,322.81 : x
  2. Step 2: Convert to fraction form
    472,187.37/651,599.61 = 257,322.81/x
  3. Step 3: Cross multiply
    472,187.37x = 651,599.61 × 257,322.81
  4. Step 4: Simplify right side
    472,187.37x = 167,671,442,640.10
  5. Step 5: Solve for x
    x = 167,671,442,640.10/472,187.37
  6. Step 6: Final answer
    x = 355,095.15

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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.