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Finding the Fourth Proportional to 483,140.84, 666,795.88 and 292,155.60

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Solution

The fourth proportional to 483,140.84, 666,795.88 and 292,155.60 is: 403,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,140.84 : 666,795.88 = 292,155.60 : x
  2. Step 2: Convert to fraction form
    483,140.84/666,795.88 = 292,155.60/x
  3. Step 3: Cross multiply
    483,140.84x = 666,795.88 × 292,155.60
  4. Step 4: Simplify right side
    483,140.84x = 194,808,150,398.93
  5. Step 5: Solve for x
    x = 194,808,150,398.93/483,140.84
  6. Step 6: Final answer
    x = 403,211.93

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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.