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Finding the Fourth Proportional to 562,890.01, 776,773.16 and 321,168.19

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Solution

The fourth proportional to 562,890.01, 776,773.16 and 321,168.19 is: 443,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,890.01 : 776,773.16 = 321,168.19 : x
  2. Step 2: Convert to fraction form
    562,890.01/776,773.16 = 321,168.19/x
  3. Step 3: Cross multiply
    562,890.01x = 776,773.16 × 321,168.19
  4. Step 4: Simplify right side
    562,890.01x = 249,474,828,231.94
  5. Step 5: Solve for x
    x = 249,474,828,231.94/562,890.01
  6. Step 6: Final answer
    x = 443,203.51

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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.