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Finding the Fourth Proportional to 607,336.60, 910,421.70 and 472,325.80

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Solution

The fourth proportional to 607,336.60, 910,421.70 and 472,325.80 is: 708,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,336.60 : 910,421.70 = 472,325.80 : x
  2. Step 2: Convert to fraction form
    607,336.60/910,421.70 = 472,325.80/x
  3. Step 3: Cross multiply
    607,336.60x = 910,421.70 × 472,325.80
  4. Step 4: Simplify right side
    607,336.60x = 430,015,657,789.86
  5. Step 5: Solve for x
    x = 430,015,657,789.86/607,336.60
  6. Step 6: Final answer
    x = 708,035.15

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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.