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Finding the Fourth Proportional to 713,533.16, 985,192.44 and 459,327.21

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Solution

The fourth proportional to 713,533.16, 985,192.44 and 459,327.21 is: 634,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,533.16 : 985,192.44 = 459,327.21 : x
  2. Step 2: Convert to fraction form
    713,533.16/985,192.44 = 459,327.21/x
  3. Step 3: Cross multiply
    713,533.16x = 985,192.44 × 459,327.21
  4. Step 4: Simplify right side
    713,533.16x = 452,525,694,778.29
  5. Step 5: Solve for x
    x = 452,525,694,778.29/713,533.16
  6. Step 6: Final answer
    x = 634,204.16

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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.