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Finding the Fourth Proportional to 507,555, 700,448.84 and 281,200.52

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Solution

The fourth proportional to 507,555, 700,448.84 and 281,200.52 is: 388,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,555 : 700,448.84 = 281,200.52 : x
  2. Step 2: Convert to fraction form
    507,555/700,448.84 = 281,200.52/x
  3. Step 3: Cross multiply
    507,555x = 700,448.84 × 281,200.52
  4. Step 4: Simplify right side
    507,555x = 196,966,578,041.40
  5. Step 5: Solve for x
    x = 196,966,578,041.40/507,555
  6. Step 6: Final answer
    x = 388,069.43

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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.