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Finding the Fourth Proportional to 834,386.24, 1,151,448 and 452,411.84

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Solution

The fourth proportional to 834,386.24, 1,151,448 and 452,411.84 is: 624,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,386.24 : 1,151,448 = 452,411.84 : x
  2. Step 2: Convert to fraction form
    834,386.24/1,151,448 = 452,411.84/x
  3. Step 3: Cross multiply
    834,386.24x = 1,151,448 × 452,411.84
  4. Step 4: Simplify right side
    834,386.24x = 520,928,708,344.32
  5. Step 5: Solve for x
    x = 520,928,708,344.32/834,386.24
  6. Step 6: Final answer
    x = 624,325.62

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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.