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Finding the Fourth Proportional to 556,848.84, 768,451.80 and 302,199.96

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Solution

The fourth proportional to 556,848.84, 768,451.80 and 302,199.96 is: 417,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,848.84 : 768,451.80 = 302,199.96 : x
  2. Step 2: Convert to fraction form
    556,848.84/768,451.80 = 302,199.96/x
  3. Step 3: Cross multiply
    556,848.84x = 768,451.80 × 302,199.96
  4. Step 4: Simplify right side
    556,848.84x = 232,226,103,221.93
  5. Step 5: Solve for x
    x = 232,226,103,221.93/556,848.84
  6. Step 6: Final answer
    x = 417,036.16

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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.