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Finding the Fourth Proportional to 585,222.39, 807,606.90 and 316,950.39

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Solution

The fourth proportional to 585,222.39, 807,606.90 and 316,950.39 is: 437,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,222.39 : 807,606.90 = 316,950.39 : x
  2. Step 2: Convert to fraction form
    585,222.39/807,606.90 = 316,950.39/x
  3. Step 3: Cross multiply
    585,222.39x = 807,606.90 × 316,950.39
  4. Step 4: Simplify right side
    585,222.39x = 255,971,321,921.69
  5. Step 5: Solve for x
    x = 255,971,321,921.69/585,222.39
  6. Step 6: Final answer
    x = 437,391.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.