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Finding the Fourth Proportional to 580,088.58, 870,156.46 and 276,326.58

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Solution

The fourth proportional to 580,088.58, 870,156.46 and 276,326.58 is: 414,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,088.58 : 870,156.46 = 276,326.58 : x
  2. Step 2: Convert to fraction form
    580,088.58/870,156.46 = 276,326.58/x
  3. Step 3: Cross multiply
    580,088.58x = 870,156.46 × 276,326.58
  4. Step 4: Simplify right side
    580,088.58x = 240,447,358,656.71
  5. Step 5: Solve for x
    x = 240,447,358,656.71/580,088.58
  6. Step 6: Final answer
    x = 414,501.11

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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.