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Finding the Fourth Proportional to 600,818.78, 829,128.71 and 328,886.75

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Solution

The fourth proportional to 600,818.78, 829,128.71 and 328,886.75 is: 453,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,818.78 : 829,128.71 = 328,886.75 : x
  2. Step 2: Convert to fraction form
    600,818.78/829,128.71 = 328,886.75/x
  3. Step 3: Cross multiply
    600,818.78x = 829,128.71 × 328,886.75
  4. Step 4: Simplify right side
    600,818.78x = 272,689,446,763.59
  5. Step 5: Solve for x
    x = 272,689,446,763.59/600,818.78
  6. Step 6: Final answer
    x = 453,863.05

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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.