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Finding the Fourth Proportional to 472,183, 651,612.54 and 260,215

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Solution

The fourth proportional to 472,183, 651,612.54 and 260,215 is: 359,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,183 : 651,612.54 = 260,215 : x
  2. Step 2: Convert to fraction form
    472,183/651,612.54 = 260,215/x
  3. Step 3: Cross multiply
    472,183x = 651,612.54 × 260,215
  4. Step 4: Simplify right side
    472,183x = 169,559,357,096.10
  5. Step 5: Solve for x
    x = 169,559,357,096.10/472,183
  6. Step 6: Final answer
    x = 359,096.70

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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.