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Finding the Fourth Proportional to 556,316.64, 834,466.32 and 223,884

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Solution

The fourth proportional to 556,316.64, 834,466.32 and 223,884 is: 335,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,316.64 : 834,466.32 = 223,884 : x
  2. Step 2: Convert to fraction form
    556,316.64/834,466.32 = 223,884/x
  3. Step 3: Cross multiply
    556,316.64x = 834,466.32 × 223,884
  4. Step 4: Simplify right side
    556,316.64x = 186,823,657,586.88
  5. Step 5: Solve for x
    x = 186,823,657,586.88/556,316.64
  6. Step 6: Final answer
    x = 335,822.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.