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Finding the Fourth Proportional to 243,860.40, 365,207.40 and 197,204.40

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Solution

The fourth proportional to 243,860.40, 365,207.40 and 197,204.40 is: 295,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,860.40 : 365,207.40 = 197,204.40 : x
  2. Step 2: Convert to fraction form
    243,860.40/365,207.40 = 197,204.40/x
  3. Step 3: Cross multiply
    243,860.40x = 365,207.40 × 197,204.40
  4. Step 4: Simplify right side
    243,860.40x = 72,020,506,192.56
  5. Step 5: Solve for x
    x = 72,020,506,192.56/243,860.40
  6. Step 6: Final answer
    x = 295,334.98

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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.