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Finding the Fourth Proportional to 469,885.05, 704,250.45 and 185,289.93

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Solution

The fourth proportional to 469,885.05, 704,250.45 and 185,289.93 is: 277,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,885.05 : 704,250.45 = 185,289.93 : x
  2. Step 2: Convert to fraction form
    469,885.05/704,250.45 = 185,289.93/x
  3. Step 3: Cross multiply
    469,885.05x = 704,250.45 × 185,289.93
  4. Step 4: Simplify right side
    469,885.05x = 130,490,516,582.97
  5. Step 5: Solve for x
    x = 130,490,516,582.97/469,885.05
  6. Step 6: Final answer
    x = 277,707.32

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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.