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Finding the Fourth Proportional to 268,341.86, 370,315.60 and 147,494.32

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Solution

The fourth proportional to 268,341.86, 370,315.60 and 147,494.32 is: 203,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,341.86 : 370,315.60 = 147,494.32 : x
  2. Step 2: Convert to fraction form
    268,341.86/370,315.60 = 147,494.32/x
  3. Step 3: Cross multiply
    268,341.86x = 370,315.60 × 147,494.32
  4. Step 4: Simplify right side
    268,341.86x = 54,619,446,312.87
  5. Step 5: Solve for x
    x = 54,619,446,312.87/268,341.86
  6. Step 6: Final answer
    x = 203,544.26

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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.