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Finding the Fourth Proportional to 243,353.30, 365,029.95 and 243,353.30

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Solution

The fourth proportional to 243,353.30, 365,029.95 and 243,353.30 is: 365,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,353.30 : 365,029.95 = 243,353.30 : x
  2. Step 2: Convert to fraction form
    243,353.30/365,029.95 = 243,353.30/x
  3. Step 3: Cross multiply
    243,353.30x = 365,029.95 × 243,353.30
  4. Step 4: Simplify right side
    243,353.30x = 88,831,242,931.34
  5. Step 5: Solve for x
    x = 88,831,242,931.34/243,353.30
  6. Step 6: Final answer
    x = 365,029.95

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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.