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Finding the Fourth Proportional to 577,078.40, 865,666.80 and 150,670.80

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Solution

The fourth proportional to 577,078.40, 865,666.80 and 150,670.80 is: 226,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,078.40 : 865,666.80 = 150,670.80 : x
  2. Step 2: Convert to fraction form
    577,078.40/865,666.80 = 150,670.80/x
  3. Step 3: Cross multiply
    577,078.40x = 865,666.80 × 150,670.80
  4. Step 4: Simplify right side
    577,078.40x = 130,430,709,289.44
  5. Step 5: Solve for x
    x = 130,430,709,289.44/577,078.40
  6. Step 6: Final answer
    x = 226,019.05

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1.5x scale

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.