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Finding the Fourth Proportional to 362,280.24, 543,411.72 and 112,955.76

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Solution

The fourth proportional to 362,280.24, 543,411.72 and 112,955.76 is: 169,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,280.24 : 543,411.72 = 112,955.76 : x
  2. Step 2: Convert to fraction form
    362,280.24/543,411.72 = 112,955.76/x
  3. Step 3: Cross multiply
    362,280.24x = 543,411.72 × 112,955.76
  4. Step 4: Simplify right side
    362,280.24x = 61,381,483,825.51
  5. Step 5: Solve for x
    x = 61,381,483,825.51/362,280.24
  6. Step 6: Final answer
    x = 169,430.95

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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.