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Finding the Fourth Proportional to 365,412.48, 503,991.04 and 314,510.08

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Solution

The fourth proportional to 365,412.48, 503,991.04 and 314,510.08 is: 433,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,412.48 : 503,991.04 = 314,510.08 : x
  2. Step 2: Convert to fraction form
    365,412.48/503,991.04 = 314,510.08/x
  3. Step 3: Cross multiply
    365,412.48x = 503,991.04 × 314,510.08
  4. Step 4: Simplify right side
    365,412.48x = 158,510,262,309.68
  5. Step 5: Solve for x
    x = 158,510,262,309.68/365,412.48
  6. Step 6: Final answer
    x = 433,784.48

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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.