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Finding the Fourth Proportional to 828,872.88, 1,143,819 and 466,316.88

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Solution

The fourth proportional to 828,872.88, 1,143,819 and 466,316.88 is: 643,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,872.88 : 1,143,819 = 466,316.88 : x
  2. Step 2: Convert to fraction form
    828,872.88/1,143,819 = 466,316.88/x
  3. Step 3: Cross multiply
    828,872.88x = 1,143,819 × 466,316.88
  4. Step 4: Simplify right side
    828,872.88x = 533,382,107,364.72
  5. Step 5: Solve for x
    x = 533,382,107,364.72/828,872.88
  6. Step 6: Final answer
    x = 643,502.91

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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.