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Finding the Fourth Proportional to 556,937.93, 768,575.22 and 302,289.23

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Solution

The fourth proportional to 556,937.93, 768,575.22 and 302,289.23 is: 417,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,937.93 : 768,575.22 = 302,289.23 : x
  2. Step 2: Convert to fraction form
    556,937.93/768,575.22 = 302,289.23/x
  3. Step 3: Cross multiply
    556,937.93x = 768,575.22 × 302,289.23
  4. Step 4: Simplify right side
    556,937.93x = 232,332,011,450.88
  5. Step 5: Solve for x
    x = 232,332,011,450.88/556,937.93
  6. Step 6: Final answer
    x = 417,159.61

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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.