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Finding the Fourth Proportional to 362,295.32, 543,457.70 and 92,430.45

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Solution

The fourth proportional to 362,295.32, 543,457.70 and 92,430.45 is: 138,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,295.32 : 543,457.70 = 92,430.45 : x
  2. Step 2: Convert to fraction form
    362,295.32/543,457.70 = 92,430.45/x
  3. Step 3: Cross multiply
    362,295.32x = 543,457.70 × 92,430.45
  4. Step 4: Simplify right side
    362,295.32x = 50,232,039,304.81
  5. Step 5: Solve for x
    x = 50,232,039,304.81/362,295.32
  6. Step 6: Final answer
    x = 138,649.43

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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.