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Finding the Fourth Proportional to 507,750.14, 700,695.18 and 281,410.22

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Solution

The fourth proportional to 507,750.14, 700,695.18 and 281,410.22 is: 388,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,750.14 : 700,695.18 = 281,410.22 : x
  2. Step 2: Convert to fraction form
    507,750.14/700,695.18 = 281,410.22/x
  3. Step 3: Cross multiply
    507,750.14x = 700,695.18 × 281,410.22
  4. Step 4: Simplify right side
    507,750.14x = 197,182,784,756.74
  5. Step 5: Solve for x
    x = 197,182,784,756.74/507,750.14
  6. Step 6: Final answer
    x = 388,346.10

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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.