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Finding the Fourth Proportional to 1,237.46, 1,854.59 and 507.53

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Solution

The fourth proportional to 1,237.46, 1,854.59 and 507.53 is: 760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.46 : 1,854.59 = 507.53 : x
  2. Step 2: Convert to fraction form
    1,237.46/1,854.59 = 507.53/x
  3. Step 3: Cross multiply
    1,237.46x = 1,854.59 × 507.53
  4. Step 4: Simplify right side
    1,237.46x = 941,262.16
  5. Step 5: Solve for x
    x = 941,262.16/1,237.46
  6. Step 6: Final answer
    x = 760.64

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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.