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Finding the Fourth Proportional to 586,140.90, 879,201.75 and 186,776.22

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Solution

The fourth proportional to 586,140.90, 879,201.75 and 186,776.22 is: 280,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,140.90 : 879,201.75 = 186,776.22 : x
  2. Step 2: Convert to fraction form
    586,140.90/879,201.75 = 186,776.22/x
  3. Step 3: Cross multiply
    586,140.90x = 879,201.75 × 186,776.22
  4. Step 4: Simplify right side
    586,140.90x = 164,213,979,482.39
  5. Step 5: Solve for x
    x = 164,213,979,482.39/586,140.90
  6. Step 6: Final answer
    x = 280,161.27

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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.