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Finding the Fourth Proportional to 586,984.65, 810,041.81 and 332,385.45

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Solution

The fourth proportional to 586,984.65, 810,041.81 and 332,385.45 is: 458,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,984.65 : 810,041.81 = 332,385.45 : x
  2. Step 2: Convert to fraction form
    586,984.65/810,041.81 = 332,385.45/x
  3. Step 3: Cross multiply
    586,984.65x = 810,041.81 × 332,385.45
  4. Step 4: Simplify right side
    586,984.65x = 269,246,111,535.67
  5. Step 5: Solve for x
    x = 269,246,111,535.67/586,984.65
  6. Step 6: Final answer
    x = 458,693.62

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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.