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Finding the Fourth Proportional to 602,054.66, 830,844.79 and 330,147.38

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Solution

The fourth proportional to 602,054.66, 830,844.79 and 330,147.38 is: 455,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,054.66 : 830,844.79 = 330,147.38 : x
  2. Step 2: Convert to fraction form
    602,054.66/830,844.79 = 330,147.38/x
  3. Step 3: Cross multiply
    602,054.66x = 830,844.79 × 330,147.38
  4. Step 4: Simplify right side
    602,054.66x = 274,301,225,625.56
  5. Step 5: Solve for x
    x = 274,301,225,625.56/602,054.66
  6. Step 6: Final answer
    x = 455,608.51

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1.5x scale

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.