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Finding the Fourth Proportional to 346,795.20, 520,192.80 and 296,056.80

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Solution

The fourth proportional to 346,795.20, 520,192.80 and 296,056.80 is: 444,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,795.20 : 520,192.80 = 296,056.80 : x
  2. Step 2: Convert to fraction form
    346,795.20/520,192.80 = 296,056.80/x
  3. Step 3: Cross multiply
    346,795.20x = 520,192.80 × 296,056.80
  4. Step 4: Simplify right side
    346,795.20x = 154,006,615,751.04
  5. Step 5: Solve for x
    x = 154,006,615,751.04/346,795.20
  6. Step 6: Final answer
    x = 444,085.20

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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.