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Finding the Fourth Proportional to 472,937.40, 710,062.20 and 295,790.40

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Solution

The fourth proportional to 472,937.40, 710,062.20 and 295,790.40 is: 444,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,937.40 : 710,062.20 = 295,790.40 : x
  2. Step 2: Convert to fraction form
    472,937.40/710,062.20 = 295,790.40/x
  3. Step 3: Cross multiply
    472,937.40x = 710,062.20 × 295,790.40
  4. Step 4: Simplify right side
    472,937.40x = 210,029,582,162.88
  5. Step 5: Solve for x
    x = 210,029,582,162.88/472,937.40
  6. Step 6: Final answer
    x = 444,095.95

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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.