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Finding the Fourth Proportional to 365,923.20, 549,230.40 and 225,955.20

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Solution

The fourth proportional to 365,923.20, 549,230.40 and 225,955.20 is: 339,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,923.20 : 549,230.40 = 225,955.20 : x
  2. Step 2: Convert to fraction form
    365,923.20/549,230.40 = 225,955.20/x
  3. Step 3: Cross multiply
    365,923.20x = 549,230.40 × 225,955.20
  4. Step 4: Simplify right side
    365,923.20x = 124,101,464,878.08
  5. Step 5: Solve for x
    x = 124,101,464,878.08/365,923.20
  6. Step 6: Final answer
    x = 339,146.21

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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.