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Finding the Fourth Proportional to 586,297.52, 879,437.01 and 186,935.59

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Solution

The fourth proportional to 586,297.52, 879,437.01 and 186,935.59 is: 280,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,297.52 : 879,437.01 = 186,935.59 : x
  2. Step 2: Convert to fraction form
    586,297.52/879,437.01 = 186,935.59/x
  3. Step 3: Cross multiply
    586,297.52x = 879,437.01 × 186,935.59
  4. Step 4: Simplify right side
    586,297.52x = 164,398,076,332.19
  5. Step 5: Solve for x
    x = 164,398,076,332.19/586,297.52
  6. Step 6: Final answer
    x = 280,400.43

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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.