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Finding the Fourth Proportional to 366,534.45, 549,783.45 and 189,059.40

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Solution

The fourth proportional to 366,534.45, 549,783.45 and 189,059.40 is: 283,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,534.45 : 549,783.45 = 189,059.40 : x
  2. Step 2: Convert to fraction form
    366,534.45/549,783.45 = 189,059.40/x
  3. Step 3: Cross multiply
    366,534.45x = 549,783.45 × 189,059.40
  4. Step 4: Simplify right side
    366,534.45x = 103,941,729,186.93
  5. Step 5: Solve for x
    x = 103,941,729,186.93/366,534.45
  6. Step 6: Final answer
    x = 283,579.70

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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.