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Finding the Fourth Proportional to 314,883.04, 434,522.17 and 178,898.12

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Solution

The fourth proportional to 314,883.04, 434,522.17 and 178,898.12 is: 246,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,883.04 : 434,522.17 = 178,898.12 : x
  2. Step 2: Convert to fraction form
    314,883.04/434,522.17 = 178,898.12/x
  3. Step 3: Cross multiply
    314,883.04x = 434,522.17 × 178,898.12
  4. Step 4: Simplify right side
    314,883.04x = 77,735,199,311.32
  5. Step 5: Solve for x
    x = 77,735,199,311.32/314,883.04
  6. Step 6: Final answer
    x = 246,870.07

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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.