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Finding the Fourth Proportional to 366,475.80, 549,713.70 and 354,228.60

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Solution

The fourth proportional to 366,475.80, 549,713.70 and 354,228.60 is: 531,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,475.80 : 549,713.70 = 354,228.60 : x
  2. Step 2: Convert to fraction form
    366,475.80/549,713.70 = 354,228.60/x
  3. Step 3: Cross multiply
    366,475.80x = 549,713.70 × 354,228.60
  4. Step 4: Simplify right side
    366,475.80x = 194,724,314,351.82
  5. Step 5: Solve for x
    x = 194,724,314,351.82/366,475.80
  6. Step 6: Final answer
    x = 531,342.90

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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.