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Finding the Fourth Proportional to 370,594.35, 511,035.62 and 317,056.59

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Solution

The fourth proportional to 370,594.35, 511,035.62 and 317,056.59 is: 437,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,594.35 : 511,035.62 = 317,056.59 : x
  2. Step 2: Convert to fraction form
    370,594.35/511,035.62 = 317,056.59/x
  3. Step 3: Cross multiply
    370,594.35x = 511,035.62 × 317,056.59
  4. Step 4: Simplify right side
    370,594.35x = 162,027,209,460.45
  5. Step 5: Solve for x
    x = 162,027,209,460.45/370,594.35
  6. Step 6: Final answer
    x = 437,209.07

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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.