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Finding the Fourth Proportional to 543,794.40, 750,435.89 and 302,099.51

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Solution

The fourth proportional to 543,794.40, 750,435.89 and 302,099.51 is: 416,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,794.40 : 750,435.89 = 302,099.51 : x
  2. Step 2: Convert to fraction form
    543,794.40/750,435.89 = 302,099.51/x
  3. Step 3: Cross multiply
    543,794.40x = 750,435.89 × 302,099.51
  4. Step 4: Simplify right side
    543,794.40x = 226,706,309,392.74
  5. Step 5: Solve for x
    x = 226,706,309,392.74/543,794.40
  6. Step 6: Final answer
    x = 416,897.10

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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.