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Finding the Fourth Proportional to 580,088.35, 870,156.12 and 276,326.35

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Solution

The fourth proportional to 580,088.35, 870,156.12 and 276,326.35 is: 414,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,088.35 : 870,156.12 = 276,326.35 : x
  2. Step 2: Convert to fraction form
    580,088.35/870,156.12 = 276,326.35/x
  3. Step 3: Cross multiply
    580,088.35x = 870,156.12 × 276,326.35
  4. Step 4: Simplify right side
    580,088.35x = 240,447,066,770.89
  5. Step 5: Solve for x
    x = 240,447,066,770.89/580,088.35
  6. Step 6: Final answer
    x = 414,500.77

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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.