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Finding the Fourth Proportional to 483,465.93, 666,645.17 and 330,529.02

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Solution

The fourth proportional to 483,465.93, 666,645.17 and 330,529.02 is: 455,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,465.93 : 666,645.17 = 330,529.02 : x
  2. Step 2: Convert to fraction form
    483,465.93/666,645.17 = 330,529.02/x
  3. Step 3: Cross multiply
    483,465.93x = 666,645.17 × 330,529.02
  4. Step 4: Simplify right side
    483,465.93x = 220,345,573,075.19
  5. Step 5: Solve for x
    x = 220,345,573,075.19/483,465.93
  6. Step 6: Final answer
    x = 455,762.36

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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.