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Finding the Fourth Proportional to 549,710.56, 758,628.57 and 317,050.97

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Solution

The fourth proportional to 549,710.56, 758,628.57 and 317,050.97 is: 437,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,710.56 : 758,628.57 = 317,050.97 : x
  2. Step 2: Convert to fraction form
    549,710.56/758,628.57 = 317,050.97/x
  3. Step 3: Cross multiply
    549,710.56x = 758,628.57 × 317,050.97
  4. Step 4: Simplify right side
    549,710.56x = 240,523,925,884.78
  5. Step 5: Solve for x
    x = 240,523,925,884.78/549,710.56
  6. Step 6: Final answer
    x = 437,546.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.