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Finding the Fourth Proportional to 507,751.14, 700,696.56 and 281,411.22

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Solution

The fourth proportional to 507,751.14, 700,696.56 and 281,411.22 is: 388,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,751.14 : 700,696.56 = 281,411.22 : x
  2. Step 2: Convert to fraction form
    507,751.14/700,696.56 = 281,411.22/x
  3. Step 3: Cross multiply
    507,751.14x = 700,696.56 × 281,411.22
  4. Step 4: Simplify right side
    507,751.14x = 197,183,873,799.40
  5. Step 5: Solve for x
    x = 197,183,873,799.40/507,751.14
  6. Step 6: Final answer
    x = 388,347.48

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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.