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Finding the Fourth Proportional to 699,048.25, 964,671.47 and 404,710.39

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Solution

The fourth proportional to 699,048.25, 964,671.47 and 404,710.39 is: 558,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,048.25 : 964,671.47 = 404,710.39 : x
  2. Step 2: Convert to fraction form
    699,048.25/964,671.47 = 404,710.39/x
  3. Step 3: Cross multiply
    699,048.25x = 964,671.47 × 404,710.39
  4. Step 4: Simplify right side
    699,048.25x = 390,412,566,845.57
  5. Step 5: Solve for x
    x = 390,412,566,845.57/699,048.25
  6. Step 6: Final answer
    x = 558,491.59

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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.