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Finding the Fourth Proportional to 351,038.31, 526,852.86 and 328,894.93

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Solution

The fourth proportional to 351,038.31, 526,852.86 and 328,894.93 is: 493,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,038.31 : 526,852.86 = 328,894.93 : x
  2. Step 2: Convert to fraction form
    351,038.31/526,852.86 = 328,894.93/x
  3. Step 3: Cross multiply
    351,038.31x = 526,852.86 × 328,894.93
  4. Step 4: Simplify right side
    351,038.31x = 173,279,233,935.21
  5. Step 5: Solve for x
    x = 173,279,233,935.21/351,038.31
  6. Step 6: Final answer
    x = 493,619.16

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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.