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Finding the Fourth Proportional to 243,479.90, 365,219.85 and 184,430.90

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Solution

The fourth proportional to 243,479.90, 365,219.85 and 184,430.90 is: 276,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,479.90 : 365,219.85 = 184,430.90 : x
  2. Step 2: Convert to fraction form
    243,479.90/365,219.85 = 184,430.90/x
  3. Step 3: Cross multiply
    243,479.90x = 365,219.85 × 184,430.90
  4. Step 4: Simplify right side
    243,479.90x = 67,357,825,633.37
  5. Step 5: Solve for x
    x = 67,357,825,633.37/243,479.90
  6. Step 6: Final answer
    x = 276,646.35

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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.