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Finding the Fourth Proportional to 614,337.80, 921,506.70 and 606,464.60

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Solution

The fourth proportional to 614,337.80, 921,506.70 and 606,464.60 is: 909,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,337.80 : 921,506.70 = 606,464.60 : x
  2. Step 2: Convert to fraction form
    614,337.80/921,506.70 = 606,464.60/x
  3. Step 3: Cross multiply
    614,337.80x = 921,506.70 × 606,464.60
  4. Step 4: Simplify right side
    614,337.80x = 558,861,192,212.82
  5. Step 5: Solve for x
    x = 558,861,192,212.82/614,337.80
  6. Step 6: Final answer
    x = 909,696.90

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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.