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Finding the Fourth Proportional to 607,368.64, 838,168.76 and 352,736.24

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Solution

The fourth proportional to 607,368.64, 838,168.76 and 352,736.24 is: 486,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,368.64 : 838,168.76 = 352,736.24 : x
  2. Step 2: Convert to fraction form
    607,368.64/838,168.76 = 352,736.24/x
  3. Step 3: Cross multiply
    607,368.64x = 838,168.76 × 352,736.24
  4. Step 4: Simplify right side
    607,368.64x = 295,652,496,887.86
  5. Step 5: Solve for x
    x = 295,652,496,887.86/607,368.64
  6. Step 6: Final answer
    x = 486,776.03

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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.