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Finding the Fourth Proportional to 484,812.60, 727,218.90 and 404,633.40

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Solution

The fourth proportional to 484,812.60, 727,218.90 and 404,633.40 is: 606,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,812.60 : 727,218.90 = 404,633.40 : x
  2. Step 2: Convert to fraction form
    484,812.60/727,218.90 = 404,633.40/x
  3. Step 3: Cross multiply
    484,812.60x = 727,218.90 × 404,633.40
  4. Step 4: Simplify right side
    484,812.60x = 294,257,056,051.26
  5. Step 5: Solve for x
    x = 294,257,056,051.26/484,812.60
  6. Step 6: Final answer
    x = 606,950.10

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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.