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Finding the Fourth Proportional to 364,985.47, 500,021.73 and 351,340.01

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Solution

The fourth proportional to 364,985.47, 500,021.73 and 351,340.01 is: 481,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,985.47 : 500,021.73 = 351,340.01 : x
  2. Step 2: Convert to fraction form
    364,985.47/500,021.73 = 351,340.01/x
  3. Step 3: Cross multiply
    364,985.47x = 500,021.73 × 351,340.01
  4. Step 4: Simplify right side
    364,985.47x = 175,677,637,118.31
  5. Step 5: Solve for x
    x = 175,677,637,118.31/364,985.47
  6. Step 6: Final answer
    x = 481,327.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.