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Finding the Fourth Proportional to 622,166.34, 933,397.13 and 201,442.21

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Solution

The fourth proportional to 622,166.34, 933,397.13 and 201,442.21 is: 302,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,166.34 : 933,397.13 = 201,442.21 : x
  2. Step 2: Convert to fraction form
    622,166.34/933,397.13 = 201,442.21/x
  3. Step 3: Cross multiply
    622,166.34x = 933,397.13 × 201,442.21
  4. Step 4: Simplify right side
    622,166.34x = 188,025,580,674.86
  5. Step 5: Solve for x
    x = 188,025,580,674.86/622,166.34
  6. Step 6: Final answer
    x = 302,211.11

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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.