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Finding the Fourth Proportional to 256,935.04, 385,411.03 and 88,453.62

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Solution

The fourth proportional to 256,935.04, 385,411.03 and 88,453.62 is: 132,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,935.04 : 385,411.03 = 88,453.62 : x
  2. Step 2: Convert to fraction form
    256,935.04/385,411.03 = 88,453.62/x
  3. Step 3: Cross multiply
    256,935.04x = 385,411.03 × 88,453.62
  4. Step 4: Simplify right side
    256,935.04x = 34,091,000,570.29
  5. Step 5: Solve for x
    x = 34,091,000,570.29/256,935.04
  6. Step 6: Final answer
    x = 132,683.35

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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.