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Finding the Fourth Proportional to 486,878.97, 672,080.49 and 435,801.59

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Solution

The fourth proportional to 486,878.97, 672,080.49 and 435,801.59 is: 601,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,878.97 : 672,080.49 = 435,801.59 : x
  2. Step 2: Convert to fraction form
    486,878.97/672,080.49 = 435,801.59/x
  3. Step 3: Cross multiply
    486,878.97x = 672,080.49 × 435,801.59
  4. Step 4: Simplify right side
    486,878.97x = 292,893,746,149.98
  5. Step 5: Solve for x
    x = 292,893,746,149.98/486,878.97
  6. Step 6: Final answer
    x = 601,574.03

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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.