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Finding the Fourth Proportional to 314,883.30, 434,522.52 and 178,898.36

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Solution

The fourth proportional to 314,883.30, 434,522.52 and 178,898.36 is: 246,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,883.30 : 434,522.52 = 178,898.36 : x
  2. Step 2: Convert to fraction form
    314,883.30/434,522.52 = 178,898.36/x
  3. Step 3: Cross multiply
    314,883.30x = 434,522.52 × 178,898.36
  4. Step 4: Simplify right side
    314,883.30x = 77,735,365,316.58
  5. Step 5: Solve for x
    x = 77,735,365,316.58/314,883.30
  6. Step 6: Final answer
    x = 246,870.40

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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.