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Finding the Fourth Proportional to 572,160.70, 859,225.20 and 373,362.40

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Solution

The fourth proportional to 572,160.70, 859,225.20 and 373,362.40 is: 560,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,160.70 : 859,225.20 = 373,362.40 : x
  2. Step 2: Convert to fraction form
    572,160.70/859,225.20 = 373,362.40/x
  3. Step 3: Cross multiply
    572,160.70x = 859,225.20 × 373,362.40
  4. Step 4: Simplify right side
    572,160.70x = 320,802,382,812.48
  5. Step 5: Solve for x
    x = 320,802,382,812.48/572,160.70
  6. Step 6: Final answer
    x = 560,685.81

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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.