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Finding the Fourth Proportional to 507,670.54, 700,583.88 and 281,316.04

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Solution

The fourth proportional to 507,670.54, 700,583.88 and 281,316.04 is: 388,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,670.54 : 700,583.88 = 281,316.04 : x
  2. Step 2: Convert to fraction form
    507,670.54/700,583.88 = 281,316.04/x
  3. Step 3: Cross multiply
    507,670.54x = 700,583.88 × 281,316.04
  4. Step 4: Simplify right side
    507,670.54x = 197,085,482,112.91
  5. Step 5: Solve for x
    x = 197,085,482,112.91/507,670.54
  6. Step 6: Final answer
    x = 388,215.32

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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.