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Finding the Fourth Proportional to 352,946.93, 487,065.17 and 191,798.93

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Solution

The fourth proportional to 352,946.93, 487,065.17 and 191,798.93 is: 264,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,946.93 : 487,065.17 = 191,798.93 : x
  2. Step 2: Convert to fraction form
    352,946.93/487,065.17 = 191,798.93/x
  3. Step 3: Cross multiply
    352,946.93x = 487,065.17 × 191,798.93
  4. Step 4: Simplify right side
    352,946.93x = 93,418,577,487.27
  5. Step 5: Solve for x
    x = 93,418,577,487.27/352,946.93
  6. Step 6: Final answer
    x = 264,681.65

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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.