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Finding the Fourth Proportional to 572,885.16, 859,852.86 and 306,945.96

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Solution

The fourth proportional to 572,885.16, 859,852.86 and 306,945.96 is: 460,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,885.16 : 859,852.86 = 306,945.96 : x
  2. Step 2: Convert to fraction form
    572,885.16/859,852.86 = 306,945.96/x
  3. Step 3: Cross multiply
    572,885.16x = 859,852.86 × 306,945.96
  4. Step 4: Simplify right side
    572,885.16x = 263,928,361,571.45
  5. Step 5: Solve for x
    x = 263,928,361,571.45/572,885.16
  6. Step 6: Final answer
    x = 460,700.29

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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.