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Finding the Fourth Proportional to 571,838.40, 857,498.40 and 216,734.40

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Solution

The fourth proportional to 571,838.40, 857,498.40 and 216,734.40 is: 325,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,838.40 : 857,498.40 = 216,734.40 : x
  2. Step 2: Convert to fraction form
    571,838.40/857,498.40 = 216,734.40/x
  3. Step 3: Cross multiply
    571,838.40x = 857,498.40 × 216,734.40
  4. Step 4: Simplify right side
    571,838.40x = 185,849,401,224.96
  5. Step 5: Solve for x
    x = 185,849,401,224.96/571,838.40
  6. Step 6: Final answer
    x = 325,003.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.