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Finding the Fourth Proportional to 353,042.06, 487,201.32 and 191,897.51

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Solution

The fourth proportional to 353,042.06, 487,201.32 and 191,897.51 is: 264,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,042.06 : 487,201.32 = 191,897.51 : x
  2. Step 2: Convert to fraction form
    353,042.06/487,201.32 = 191,897.51/x
  3. Step 3: Cross multiply
    353,042.06x = 487,201.32 × 191,897.51
  4. Step 4: Simplify right side
    353,042.06x = 93,492,717,740.71
  5. Step 5: Solve for x
    x = 93,492,717,740.71/353,042.06
  6. Step 6: Final answer
    x = 264,820.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.