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Finding the Fourth Proportional to 460,083.32, 690,194.64 and 144,510.56

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Solution

The fourth proportional to 460,083.32, 690,194.64 and 144,510.56 is: 216,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,083.32 : 690,194.64 = 144,510.56 : x
  2. Step 2: Convert to fraction form
    460,083.32/690,194.64 = 144,510.56/x
  3. Step 3: Cross multiply
    460,083.32x = 690,194.64 × 144,510.56
  4. Step 4: Simplify right side
    460,083.32x = 99,740,413,935.40
  5. Step 5: Solve for x
    x = 99,740,413,935.40/460,083.32
  6. Step 6: Final answer
    x = 216,787.72

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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.