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Finding the Fourth Proportional to 586,318.64, 879,301.92 and 249,356.48

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Solution

The fourth proportional to 586,318.64, 879,301.92 and 249,356.48 is: 373,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,318.64 : 879,301.92 = 249,356.48 : x
  2. Step 2: Convert to fraction form
    586,318.64/879,301.92 = 249,356.48/x
  3. Step 3: Cross multiply
    586,318.64x = 879,301.92 × 249,356.48
  4. Step 4: Simplify right side
    586,318.64x = 219,259,631,628.44
  5. Step 5: Solve for x
    x = 219,259,631,628.44/586,318.64
  6. Step 6: Final answer
    x = 373,959.85

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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.