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Finding the Fourth Proportional to 315,289.04, 435,063.24 and 181,196.24

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Solution

The fourth proportional to 315,289.04, 435,063.24 and 181,196.24 is: 250,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,289.04 : 435,063.24 = 181,196.24 : x
  2. Step 2: Convert to fraction form
    315,289.04/435,063.24 = 181,196.24/x
  3. Step 3: Cross multiply
    315,289.04x = 435,063.24 × 181,196.24
  4. Step 4: Simplify right side
    315,289.04x = 78,831,823,250.22
  5. Step 5: Solve for x
    x = 78,831,823,250.22/315,289.04
  6. Step 6: Final answer
    x = 250,030.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.