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Finding the Fourth Proportional to 350,094.80, 523,975.80 and 308,104.40

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Solution

The fourth proportional to 350,094.80, 523,975.80 and 308,104.40 is: 461,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,094.80 : 523,975.80 = 308,104.40 : x
  2. Step 2: Convert to fraction form
    350,094.80/523,975.80 = 308,104.40/x
  3. Step 3: Cross multiply
    350,094.80x = 523,975.80 × 308,104.40
  4. Step 4: Simplify right side
    350,094.80x = 161,439,249,473.52
  5. Step 5: Solve for x
    x = 161,439,249,473.52/350,094.80
  6. Step 6: Final answer
    x = 461,130.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.