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Finding the Fourth Proportional to 301,607.72, 452,411.28 and 76,968.16

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Solution

The fourth proportional to 301,607.72, 452,411.28 and 76,968.16 is: 115,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,607.72 : 452,411.28 = 76,968.16 : x
  2. Step 2: Convert to fraction form
    301,607.72/452,411.28 = 76,968.16/x
  3. Step 3: Cross multiply
    301,607.72x = 452,411.28 × 76,968.16
  4. Step 4: Simplify right side
    301,607.72x = 34,821,263,784.84
  5. Step 5: Solve for x
    x = 34,821,263,784.84/301,607.72
  6. Step 6: Final answer
    x = 115,452.16

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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.