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Finding the Fourth Proportional to 456,444.51, 629,681.16 and 295,351.56

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Solution

The fourth proportional to 456,444.51, 629,681.16 and 295,351.56 is: 407,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,444.51 : 629,681.16 = 295,351.56 : x
  2. Step 2: Convert to fraction form
    456,444.51/629,681.16 = 295,351.56/x
  3. Step 3: Cross multiply
    456,444.51x = 629,681.16 × 295,351.56
  4. Step 4: Simplify right side
    456,444.51x = 185,977,312,908.61
  5. Step 5: Solve for x
    x = 185,977,312,908.61/456,444.51
  6. Step 6: Final answer
    x = 407,447.80

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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.