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Finding the Fourth Proportional to 616,172.83, 923,454.03 and 445,967.63

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Solution

The fourth proportional to 616,172.83, 923,454.03 and 445,967.63 is: 668,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,172.83 : 923,454.03 = 445,967.63 : x
  2. Step 2: Convert to fraction form
    616,172.83/923,454.03 = 445,967.63/x
  3. Step 3: Cross multiply
    616,172.83x = 923,454.03 × 445,967.63
  4. Step 4: Simplify right side
    616,172.83x = 411,830,605,173.05
  5. Step 5: Solve for x
    x = 411,830,605,173.05/616,172.83
  6. Step 6: Final answer
    x = 668,368.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.