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Finding the Fourth Proportional to 571,872.84, 858,370.59 and 477,707.91

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Solution

The fourth proportional to 571,872.84, 858,370.59 and 477,707.91 is: 717,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,872.84 : 858,370.59 = 477,707.91 : x
  2. Step 2: Convert to fraction form
    571,872.84/858,370.59 = 477,707.91/x
  3. Step 3: Cross multiply
    571,872.84x = 858,370.59 × 477,707.91
  4. Step 4: Simplify right side
    571,872.84x = 410,050,420,554.37
  5. Step 5: Solve for x
    x = 410,050,420,554.37/571,872.84
  6. Step 6: Final answer
    x = 717,030.77

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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.