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Finding the Fourth Proportional to 543,622.54, 750,178.53 and 301,920.68

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Solution

The fourth proportional to 543,622.54, 750,178.53 and 301,920.68 is: 416,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,622.54 : 750,178.53 = 301,920.68 : x
  2. Step 2: Convert to fraction form
    543,622.54/750,178.53 = 301,920.68/x
  3. Step 3: Cross multiply
    543,622.54x = 750,178.53 × 301,920.68
  4. Step 4: Simplify right side
    543,622.54x = 226,494,411,899.00
  5. Step 5: Solve for x
    x = 226,494,411,899.00/543,622.54
  6. Step 6: Final answer
    x = 416,639.11

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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.