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Finding the Fourth Proportional to 555,622.80, 833,434.20 and 181,683.60

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Solution

The fourth proportional to 555,622.80, 833,434.20 and 181,683.60 is: 272,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,622.80 : 833,434.20 = 181,683.60 : x
  2. Step 2: Convert to fraction form
    555,622.80/833,434.20 = 181,683.60/x
  3. Step 3: Cross multiply
    555,622.80x = 833,434.20 × 181,683.60
  4. Step 4: Simplify right side
    555,622.80x = 151,421,325,819.12
  5. Step 5: Solve for x
    x = 151,421,325,819.12/555,622.80
  6. Step 6: Final answer
    x = 272,525.40

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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.