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Finding the Fourth Proportional to 603,220.87, 904,693.41 and 360,130.69

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Solution

The fourth proportional to 603,220.87, 904,693.41 and 360,130.69 is: 540,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,220.87 : 904,693.41 = 360,130.69 : x
  2. Step 2: Convert to fraction form
    603,220.87/904,693.41 = 360,130.69/x
  3. Step 3: Cross multiply
    603,220.87x = 904,693.41 × 360,130.69
  4. Step 4: Simplify right side
    603,220.87x = 325,807,861,981.75
  5. Step 5: Solve for x
    x = 325,807,861,981.75/603,220.87
  6. Step 6: Final answer
    x = 540,113.71

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1.5x scale

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.