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Finding the Fourth Proportional to 602,211.57, 904,440.21 and 530,190.03

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Solution

The fourth proportional to 602,211.57, 904,440.21 and 530,190.03 is: 796,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,211.57 : 904,440.21 = 530,190.03 : x
  2. Step 2: Convert to fraction form
    602,211.57/904,440.21 = 530,190.03/x
  3. Step 3: Cross multiply
    602,211.57x = 904,440.21 × 530,190.03
  4. Step 4: Simplify right side
    602,211.57x = 479,525,182,073.11
  5. Step 5: Solve for x
    x = 479,525,182,073.11/602,211.57
  6. Step 6: Final answer
    x = 796,273.61

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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.