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Finding the Fourth Proportional to 371,521.40, 512,856.46 and 250,826.16

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Solution

The fourth proportional to 371,521.40, 512,856.46 and 250,826.16 is: 346,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,521.40 : 512,856.46 = 250,826.16 : x
  2. Step 2: Convert to fraction form
    371,521.40/512,856.46 = 250,826.16/x
  3. Step 3: Cross multiply
    371,521.40x = 512,856.46 × 250,826.16
  4. Step 4: Simplify right side
    371,521.40x = 128,637,816,492.99
  5. Step 5: Solve for x
    x = 128,637,816,492.99/371,521.40
  6. Step 6: Final answer
    x = 346,246.05

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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.