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Finding the Fourth Proportional to 556,905.15, 768,529.44 and 302,256.34

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Solution

The fourth proportional to 556,905.15, 768,529.44 and 302,256.34 is: 417,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,905.15 : 768,529.44 = 302,256.34 : x
  2. Step 2: Convert to fraction form
    556,905.15/768,529.44 = 302,256.34/x
  3. Step 3: Cross multiply
    556,905.15x = 768,529.44 × 302,256.34
  4. Step 4: Simplify right side
    556,905.15x = 232,292,895,716.65
  5. Step 5: Solve for x
    x = 232,292,895,716.65/556,905.15
  6. Step 6: Final answer
    x = 417,113.93

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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.