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Finding the Fourth Proportional to 828,959.64, 1,143,877.86 and 466,352.70

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Solution

The fourth proportional to 828,959.64, 1,143,877.86 and 466,352.70 is: 643,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,959.64 : 1,143,877.86 = 466,352.70 : x
  2. Step 2: Convert to fraction form
    828,959.64/1,143,877.86 = 466,352.70/x
  3. Step 3: Cross multiply
    828,959.64x = 1,143,877.86 × 466,352.70
  4. Step 4: Simplify right side
    828,959.64x = 533,450,528,481.22
  5. Step 5: Solve for x
    x = 533,450,528,481.22/828,959.64
  6. Step 6: Final answer
    x = 643,518.10

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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.