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Finding the Fourth Proportional to 556,233.50, 767,617.28 and 314,552.07

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Solution

The fourth proportional to 556,233.50, 767,617.28 and 314,552.07 is: 434,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,233.50 : 767,617.28 = 314,552.07 : x
  2. Step 2: Convert to fraction form
    556,233.50/767,617.28 = 314,552.07/x
  3. Step 3: Cross multiply
    556,233.50x = 767,617.28 × 314,552.07
  4. Step 4: Simplify right side
    556,233.50x = 241,455,602,819.01
  5. Step 5: Solve for x
    x = 241,455,602,819.01/556,233.50
  6. Step 6: Final answer
    x = 434,090.37

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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.