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Finding the Fourth Proportional to 541,803.16, 747,655.52 and 300,071.32

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Solution

The fourth proportional to 541,803.16, 747,655.52 and 300,071.32 is: 414,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,803.16 : 747,655.52 = 300,071.32 : x
  2. Step 2: Convert to fraction form
    541,803.16/747,655.52 = 300,071.32/x
  3. Step 3: Cross multiply
    541,803.16x = 747,655.52 × 300,071.32
  4. Step 4: Simplify right side
    541,803.16x = 224,349,975,422.19
  5. Step 5: Solve for x
    x = 224,349,975,422.19/541,803.16
  6. Step 6: Final answer
    x = 414,080.23

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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.