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Finding the Fourth Proportional to 586,158.78, 877,860.33 and 285,697.77

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Solution

The fourth proportional to 586,158.78, 877,860.33 and 285,697.77 is: 427,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,158.78 : 877,860.33 = 285,697.77 : x
  2. Step 2: Convert to fraction form
    586,158.78/877,860.33 = 285,697.77/x
  3. Step 3: Cross multiply
    586,158.78x = 877,860.33 × 285,697.77
  4. Step 4: Simplify right side
    586,158.78x = 250,802,738,652.46
  5. Step 5: Solve for x
    x = 250,802,738,652.46/586,158.78
  6. Step 6: Final answer
    x = 427,875.09

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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.