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Finding the Fourth Proportional to 586,168.80, 877,875.34 and 285,707.76

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Solution

The fourth proportional to 586,168.80, 877,875.34 and 285,707.76 is: 427,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,168.80 : 877,875.34 = 285,707.76 : x
  2. Step 2: Convert to fraction form
    586,168.80/877,875.34 = 285,707.76/x
  3. Step 3: Cross multiply
    586,168.80x = 877,875.34 × 285,707.76
  4. Step 4: Simplify right side
    586,168.80x = 250,815,796,950.64
  5. Step 5: Solve for x
    x = 250,815,796,950.64/586,168.80
  6. Step 6: Final answer
    x = 427,890.05

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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.