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Finding the Fourth Proportional to 603,346.60, 905,530.20 and 248,615.20

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Solution

The fourth proportional to 603,346.60, 905,530.20 and 248,615.20 is: 373,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,346.60 : 905,530.20 = 248,615.20 : x
  2. Step 2: Convert to fraction form
    603,346.60/905,530.20 = 248,615.20/x
  3. Step 3: Cross multiply
    603,346.60x = 905,530.20 × 248,615.20
  4. Step 4: Simplify right side
    603,346.60x = 225,128,571,779.04
  5. Step 5: Solve for x
    x = 225,128,571,779.04/603,346.60
  6. Step 6: Final answer
    x = 373,133.07

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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.