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Finding the Fourth Proportional to 556,848.02, 768,446.16 and 302,193.74

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Solution

The fourth proportional to 556,848.02, 768,446.16 and 302,193.74 is: 417,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,848.02 : 768,446.16 = 302,193.74 : x
  2. Step 2: Convert to fraction form
    556,848.02/768,446.16 = 302,193.74/x
  3. Step 3: Cross multiply
    556,848.02x = 768,446.16 × 302,193.74
  4. Step 4: Simplify right side
    556,848.02x = 232,219,619,079.04
  5. Step 5: Solve for x
    x = 232,219,619,079.04/556,848.02
  6. Step 6: Final answer
    x = 417,025.13

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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.