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Finding the Fourth Proportional to 295,968.32, 444,018.96 and 85,622.64

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Solution

The fourth proportional to 295,968.32, 444,018.96 and 85,622.64 is: 128,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,968.32 : 444,018.96 = 85,622.64 : x
  2. Step 2: Convert to fraction form
    295,968.32/444,018.96 = 85,622.64/x
  3. Step 3: Cross multiply
    295,968.32x = 444,018.96 × 85,622.64
  4. Step 4: Simplify right side
    295,968.32x = 38,018,075,565.25
  5. Step 5: Solve for x
    x = 38,018,075,565.25/295,968.32
  6. Step 6: Final answer
    x = 128,453.19

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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.