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Finding the Fourth Proportional to 457,238.01, 685,853.93 and 357,482.16

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Solution

The fourth proportional to 457,238.01, 685,853.93 and 357,482.16 is: 536,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,238.01 : 685,853.93 = 357,482.16 : x
  2. Step 2: Convert to fraction form
    457,238.01/685,853.93 = 357,482.16/x
  3. Step 3: Cross multiply
    457,238.01x = 685,853.93 × 357,482.16
  4. Step 4: Simplify right side
    457,238.01x = 245,180,545,234.59
  5. Step 5: Solve for x
    x = 245,180,545,234.59/457,238.01
  6. Step 6: Final answer
    x = 536,220.83

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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.