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Finding the Fourth Proportional to 259,492.64, 358,099.20 and 146,314.64

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Solution

The fourth proportional to 259,492.64, 358,099.20 and 146,314.64 is: 201,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,492.64 : 358,099.20 = 146,314.64 : x
  2. Step 2: Convert to fraction form
    259,492.64/358,099.20 = 146,314.64/x
  3. Step 3: Cross multiply
    259,492.64x = 358,099.20 × 146,314.64
  4. Step 4: Simplify right side
    259,492.64x = 52,395,155,532.29
  5. Step 5: Solve for x
    x = 52,395,155,532.29/259,492.64
  6. Step 6: Final answer
    x = 201,913.84

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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.