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Finding the Fourth Proportional to 589,423.80, 883,617.30 and 352,860.60

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Solution

The fourth proportional to 589,423.80, 883,617.30 and 352,860.60 is: 528,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,423.80 : 883,617.30 = 352,860.60 : x
  2. Step 2: Convert to fraction form
    589,423.80/883,617.30 = 352,860.60/x
  3. Step 3: Cross multiply
    589,423.80x = 883,617.30 × 352,860.60
  4. Step 4: Simplify right side
    589,423.80x = 311,793,730,648.38
  5. Step 5: Solve for x
    x = 311,793,730,648.38/589,423.80
  6. Step 6: Final answer
    x = 528,980.56

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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.