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Finding the Fourth Proportional to 608,712.30, 840,292.01 and 363,783.46

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Solution

The fourth proportional to 608,712.30, 840,292.01 and 363,783.46 is: 502,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,712.30 : 840,292.01 = 363,783.46 : x
  2. Step 2: Convert to fraction form
    608,712.30/840,292.01 = 363,783.46/x
  3. Step 3: Cross multiply
    608,712.30x = 840,292.01 × 363,783.46
  4. Step 4: Simplify right side
    608,712.30x = 305,684,334,808.16
  5. Step 5: Solve for x
    x = 305,684,334,808.16/608,712.30
  6. Step 6: Final answer
    x = 502,181.96

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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.