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Finding the Fourth Proportional to 484,725.60, 727,088.40 and 335,426.40

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Solution

The fourth proportional to 484,725.60, 727,088.40 and 335,426.40 is: 503,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,725.60 : 727,088.40 = 335,426.40 : x
  2. Step 2: Convert to fraction form
    484,725.60/727,088.40 = 335,426.40/x
  3. Step 3: Cross multiply
    484,725.60x = 727,088.40 × 335,426.40
  4. Step 4: Simplify right side
    484,725.60x = 243,884,644,493.76
  5. Step 5: Solve for x
    x = 243,884,644,493.76/484,725.60
  6. Step 6: Final answer
    x = 503,139.60

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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.