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Finding the Fourth Proportional to 291,672.10, 402,200.58 and 230,316.50

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Solution

The fourth proportional to 291,672.10, 402,200.58 and 230,316.50 is: 317,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,672.10 : 402,200.58 = 230,316.50 : x
  2. Step 2: Convert to fraction form
    291,672.10/402,200.58 = 230,316.50/x
  3. Step 3: Cross multiply
    291,672.10x = 402,200.58 × 230,316.50
  4. Step 4: Simplify right side
    291,672.10x = 92,633,430,244.51
  5. Step 5: Solve for x
    x = 92,633,430,244.51/291,672.10
  6. Step 6: Final answer
    x = 317,594.42

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1.5x scale

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.