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Finding the Fourth Proportional to 243,535.40, 365,303.10 and 184,486.40

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Solution

The fourth proportional to 243,535.40, 365,303.10 and 184,486.40 is: 276,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,535.40 : 365,303.10 = 184,486.40 : x
  2. Step 2: Convert to fraction form
    243,535.40/365,303.10 = 184,486.40/x
  3. Step 3: Cross multiply
    243,535.40x = 365,303.10 × 184,486.40
  4. Step 4: Simplify right side
    243,535.40x = 67,393,453,827.84
  5. Step 5: Solve for x
    x = 67,393,453,827.84/243,535.40
  6. Step 6: Final answer
    x = 276,729.60

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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.