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Finding the Fourth Proportional to 666,316.26, 919,538.19 and 364,510.26

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Solution

The fourth proportional to 666,316.26, 919,538.19 and 364,510.26 is: 503,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,316.26 : 919,538.19 = 364,510.26 : x
  2. Step 2: Convert to fraction form
    666,316.26/919,538.19 = 364,510.26/x
  3. Step 3: Cross multiply
    666,316.26x = 919,538.19 × 364,510.26
  4. Step 4: Simplify right side
    666,316.26x = 335,181,104,716.83
  5. Step 5: Solve for x
    x = 335,181,104,716.83/666,316.26
  6. Step 6: Final answer
    x = 503,036.06

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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.