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Finding the Fourth Proportional to 586,121.43, 879,110.86 and 249,297.51

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Solution

The fourth proportional to 586,121.43, 879,110.86 and 249,297.51 is: 373,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,121.43 : 879,110.86 = 249,297.51 : x
  2. Step 2: Convert to fraction form
    586,121.43/879,110.86 = 249,297.51/x
  3. Step 3: Cross multiply
    586,121.43x = 879,110.86 × 249,297.51
  4. Step 4: Simplify right side
    586,121.43x = 219,160,148,411.96
  5. Step 5: Solve for x
    x = 219,160,148,411.96/586,121.43
  6. Step 6: Final answer
    x = 373,915.95

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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.