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Finding the Fourth Proportional to 457,953.77, 631,245.98 and 360,999.51

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Solution

The fourth proportional to 457,953.77, 631,245.98 and 360,999.51 is: 497,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,953.77 : 631,245.98 = 360,999.51 : x
  2. Step 2: Convert to fraction form
    457,953.77/631,245.98 = 360,999.51/x
  3. Step 3: Cross multiply
    457,953.77x = 631,245.98 × 360,999.51
  4. Step 4: Simplify right side
    457,953.77x = 227,879,487,664.47
  5. Step 5: Solve for x
    x = 227,879,487,664.47/457,953.77
  6. Step 6: Final answer
    x = 497,603.70

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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.