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Finding the Fourth Proportional to 365,683.92, 504,617.76 and 212,746.20

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Solution

The fourth proportional to 365,683.92, 504,617.76 and 212,746.20 is: 293,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,683.92 : 504,617.76 = 212,746.20 : x
  2. Step 2: Convert to fraction form
    365,683.92/504,617.76 = 212,746.20/x
  3. Step 3: Cross multiply
    365,683.92x = 504,617.76 × 212,746.20
  4. Step 4: Simplify right side
    365,683.92x = 107,355,510,892.51
  5. Step 5: Solve for x
    x = 107,355,510,892.51/365,683.92
  6. Step 6: Final answer
    x = 293,574.60

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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.