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Finding the Fourth Proportional to 487,551.20, 730,014.60 and 487,551.20

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Solution

The fourth proportional to 487,551.20, 730,014.60 and 487,551.20 is: 730,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,551.20 : 730,014.60 = 487,551.20 : x
  2. Step 2: Convert to fraction form
    487,551.20/730,014.60 = 487,551.20/x
  3. Step 3: Cross multiply
    487,551.20x = 730,014.60 × 487,551.20
  4. Step 4: Simplify right side
    487,551.20x = 355,919,494,247.52
  5. Step 5: Solve for x
    x = 355,919,494,247.52/487,551.20
  6. Step 6: Final answer
    x = 730,014.60

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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.