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Finding the Fourth Proportional to 483,430.80, 724,271.40 and 296,223.60

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Solution

The fourth proportional to 483,430.80, 724,271.40 and 296,223.60 is: 443,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,430.80 : 724,271.40 = 296,223.60 : x
  2. Step 2: Convert to fraction form
    483,430.80/724,271.40 = 296,223.60/x
  3. Step 3: Cross multiply
    483,430.80x = 724,271.40 × 296,223.60
  4. Step 4: Simplify right side
    483,430.80x = 214,546,281,485.04
  5. Step 5: Solve for x
    x = 214,546,281,485.04/483,430.80
  6. Step 6: Final answer
    x = 443,799.36

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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.