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Finding the Fourth Proportional to 356,608.86, 531,725.12 and 346,811.10

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Solution

The fourth proportional to 356,608.86, 531,725.12 and 346,811.10 is: 517,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,608.86 : 531,725.12 = 346,811.10 : x
  2. Step 2: Convert to fraction form
    356,608.86/531,725.12 = 346,811.10/x
  3. Step 3: Cross multiply
    356,608.86x = 531,725.12 × 346,811.10
  4. Step 4: Simplify right side
    356,608.86x = 184,408,172,030.78
  5. Step 5: Solve for x
    x = 184,408,172,030.78/356,608.86
  6. Step 6: Final answer
    x = 517,116.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.