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Finding the Fourth Proportional to 607,365.64, 838,164.64 and 352,733.20

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Solution

The fourth proportional to 607,365.64, 838,164.64 and 352,733.20 is: 486,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,365.64 : 838,164.64 = 352,733.20 : x
  2. Step 2: Convert to fraction form
    607,365.64/838,164.64 = 352,733.20/x
  3. Step 3: Cross multiply
    607,365.64x = 838,164.64 × 352,733.20
  4. Step 4: Simplify right side
    607,365.64x = 295,648,495,594.05
  5. Step 5: Solve for x
    x = 295,648,495,594.05/607,365.64
  6. Step 6: Final answer
    x = 486,771.85

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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.