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Finding the Fourth Proportional to 308,322.84, 462,484.47 and 83,683.32

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Solution

The fourth proportional to 308,322.84, 462,484.47 and 83,683.32 is: 125,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,322.84 : 462,484.47 = 83,683.32 : x
  2. Step 2: Convert to fraction form
    308,322.84/462,484.47 = 83,683.32/x
  3. Step 3: Cross multiply
    308,322.84x = 462,484.47 × 83,683.32
  4. Step 4: Simplify right side
    308,322.84x = 38,702,235,898.04
  5. Step 5: Solve for x
    x = 38,702,235,898.04/308,322.84
  6. Step 6: Final answer
    x = 125,525.04

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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.