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Finding the Fourth Proportional to 434,918.76, 600,168.85 and 262,878.40

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Solution

The fourth proportional to 434,918.76, 600,168.85 and 262,878.40 is: 362,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,918.76 : 600,168.85 = 262,878.40 : x
  2. Step 2: Convert to fraction form
    434,918.76/600,168.85 = 262,878.40/x
  3. Step 3: Cross multiply
    434,918.76x = 600,168.85 × 262,878.40
  4. Step 4: Simplify right side
    434,918.76x = 157,771,427,017.84
  5. Step 5: Solve for x
    x = 157,771,427,017.84/434,918.76
  6. Step 6: Final answer
    x = 362,760.68

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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.