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Finding the Fourth Proportional to 897,993, 1,347,211.44 and 266,904.18

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Solution

The fourth proportional to 897,993, 1,347,211.44 and 266,904.18 is: 400,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,993 : 1,347,211.44 = 266,904.18 : x
  2. Step 2: Convert to fraction form
    897,993/1,347,211.44 = 266,904.18/x
  3. Step 3: Cross multiply
    897,993x = 1,347,211.44 × 266,904.18
  4. Step 4: Simplify right side
    897,993x = 359,576,364,679.82
  5. Step 5: Solve for x
    x = 359,576,364,679.82/897,993
  6. Step 6: Final answer
    x = 400,422.24

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Double scale
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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.