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Finding the Fourth Proportional to 556,881.16, 768,496.54 and 302,232.42

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Solution

The fourth proportional to 556,881.16, 768,496.54 and 302,232.42 is: 417,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,881.16 : 768,496.54 = 302,232.42 : x
  2. Step 2: Convert to fraction form
    556,881.16/768,496.54 = 302,232.42/x
  3. Step 3: Cross multiply
    556,881.16x = 768,496.54 × 302,232.42
  4. Step 4: Simplify right side
    556,881.16x = 232,264,569,045.83
  5. Step 5: Solve for x
    x = 232,264,569,045.83/556,881.16
  6. Step 6: Final answer
    x = 417,081.03

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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.