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Finding the Fourth Proportional to 543,515.40, 750,026.24 and 301,813.36

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Solution

The fourth proportional to 543,515.40, 750,026.24 and 301,813.36 is: 416,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,515.40 : 750,026.24 = 301,813.36 : x
  2. Step 2: Convert to fraction form
    543,515.40/750,026.24 = 301,813.36/x
  3. Step 3: Cross multiply
    543,515.40x = 750,026.24 × 301,813.36
  4. Step 4: Simplify right side
    543,515.40x = 226,367,939,582.57
  5. Step 5: Solve for x
    x = 226,367,939,582.57/543,515.40
  6. Step 6: Final answer
    x = 416,488.55

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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.