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Finding the Fourth Proportional to 586,297.28, 879,376.80 and 262,124.48

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Solution

The fourth proportional to 586,297.28, 879,376.80 and 262,124.48 is: 393,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,297.28 : 879,376.80 = 262,124.48 : x
  2. Step 2: Convert to fraction form
    586,297.28/879,376.80 = 262,124.48/x
  3. Step 3: Cross multiply
    586,297.28x = 879,376.80 × 262,124.48
  4. Step 4: Simplify right side
    586,297.28x = 230,506,186,424.06
  5. Step 5: Solve for x
    x = 230,506,186,424.06/586,297.28
  6. Step 6: Final answer
    x = 393,155.82

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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.