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Finding the Fourth Proportional to 610,263.88, 842,214.08 and 338,417.04

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Solution

The fourth proportional to 610,263.88, 842,214.08 and 338,417.04 is: 467,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,263.88 : 842,214.08 = 338,417.04 : x
  2. Step 2: Convert to fraction form
    610,263.88/842,214.08 = 338,417.04/x
  3. Step 3: Cross multiply
    610,263.88x = 842,214.08 × 338,417.04
  4. Step 4: Simplify right side
    610,263.88x = 285,019,595,999.92
  5. Step 5: Solve for x
    x = 285,019,595,999.92/610,263.88
  6. Step 6: Final answer
    x = 467,043.20

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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.