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Finding the Fourth Proportional to 572,790.74, 859,214.79 and 146,329.83

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Solution

The fourth proportional to 572,790.74, 859,214.79 and 146,329.83 is: 219,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,790.74 : 859,214.79 = 146,329.83 : x
  2. Step 2: Convert to fraction form
    572,790.74/859,214.79 = 146,329.83/x
  3. Step 3: Cross multiply
    572,790.74x = 859,214.79 × 146,329.83
  4. Step 4: Simplify right side
    572,790.74x = 125,728,754,154.19
  5. Step 5: Solve for x
    x = 125,728,754,154.19/572,790.74
  6. Step 6: Final answer
    x = 219,502.07

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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.