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Finding the Fourth Proportional to 352,397.91, 486,312.75 and 191,254.35

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Solution

The fourth proportional to 352,397.91, 486,312.75 and 191,254.35 is: 263,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,397.91 : 486,312.75 = 191,254.35 : x
  2. Step 2: Convert to fraction form
    352,397.91/486,312.75 = 191,254.35/x
  3. Step 3: Cross multiply
    352,397.91x = 486,312.75 × 191,254.35
  4. Step 4: Simplify right side
    352,397.91x = 93,009,428,897.96
  5. Step 5: Solve for x
    x = 93,009,428,897.96/352,397.91
  6. Step 6: Final answer
    x = 263,932.98

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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.