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Finding the Fourth Proportional to 364,698.90, 546,993.63 and 115,348.50

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Solution

The fourth proportional to 364,698.90, 546,993.63 and 115,348.50 is: 173,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,698.90 : 546,993.63 = 115,348.50 : x
  2. Step 2: Convert to fraction form
    364,698.90/546,993.63 = 115,348.50/x
  3. Step 3: Cross multiply
    364,698.90x = 546,993.63 × 115,348.50
  4. Step 4: Simplify right side
    364,698.90x = 63,094,894,730.06
  5. Step 5: Solve for x
    x = 63,094,894,730.06/364,698.90
  6. Step 6: Final answer
    x = 173,005.44

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1.5x scale

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.