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Finding the Fourth Proportional to 575,920.08, 863,068.32 and 271,990.08

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Solution

The fourth proportional to 575,920.08, 863,068.32 and 271,990.08 is: 407,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,920.08 : 863,068.32 = 271,990.08 : x
  2. Step 2: Convert to fraction form
    575,920.08/863,068.32 = 271,990.08/x
  3. Step 3: Cross multiply
    575,920.08x = 863,068.32 × 271,990.08
  4. Step 4: Simplify right side
    575,920.08x = 234,746,021,402.27
  5. Step 5: Solve for x
    x = 234,746,021,402.27/575,920.08
  6. Step 6: Final answer
    x = 407,601.73

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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.