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Finding the Fourth Proportional to 346,267.76, 478,048.30 and 263,949.80

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Solution

The fourth proportional to 346,267.76, 478,048.30 and 263,949.80 is: 364,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,267.76 : 478,048.30 = 263,949.80 : x
  2. Step 2: Convert to fraction form
    346,267.76/478,048.30 = 263,949.80/x
  3. Step 3: Cross multiply
    346,267.76x = 478,048.30 × 263,949.80
  4. Step 4: Simplify right side
    346,267.76x = 126,180,750,125.22
  5. Step 5: Solve for x
    x = 126,180,750,125.22/346,267.76
  6. Step 6: Final answer
    x = 364,402.25

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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.