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Finding the Fourth Proportional to 623,032.80, 933,166.80 and 248,863.20

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Solution

The fourth proportional to 623,032.80, 933,166.80 and 248,863.20 is: 372,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,032.80 : 933,166.80 = 248,863.20 : x
  2. Step 2: Convert to fraction form
    623,032.80/933,166.80 = 248,863.20/x
  3. Step 3: Cross multiply
    623,032.80x = 933,166.80 × 248,863.20
  4. Step 4: Simplify right side
    623,032.80x = 232,230,875,981.76
  5. Step 5: Solve for x
    x = 232,230,875,981.76/623,032.80
  6. Step 6: Final answer
    x = 372,742.62

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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.