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Finding the Fourth Proportional to 406,064.20, 607,368.30 and 364,246.60

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Solution

The fourth proportional to 406,064.20, 607,368.30 and 364,246.60 is: 544,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,064.20 : 607,368.30 = 364,246.60 : x
  2. Step 2: Convert to fraction form
    406,064.20/607,368.30 = 364,246.60/x
  3. Step 3: Cross multiply
    406,064.20x = 607,368.30 × 364,246.60
  4. Step 4: Simplify right side
    406,064.20x = 221,231,838,222.78
  5. Step 5: Solve for x
    x = 221,231,838,222.78/406,064.20
  6. Step 6: Final answer
    x = 544,819.85

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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.