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Finding the Fourth Proportional to 469,248.55, 704,048.72 and 216,650.05

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Solution

The fourth proportional to 469,248.55, 704,048.72 and 216,650.05 is: 325,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,248.55 : 704,048.72 = 216,650.05 : x
  2. Step 2: Convert to fraction form
    469,248.55/704,048.72 = 216,650.05/x
  3. Step 3: Cross multiply
    469,248.55x = 704,048.72 × 216,650.05
  4. Step 4: Simplify right side
    469,248.55x = 152,532,190,390.44
  5. Step 5: Solve for x
    x = 152,532,190,390.44/469,248.55
  6. Step 6: Final answer
    x = 325,056.28

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1.5x scale

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.