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Finding the Fourth Proportional to 253,683.40, 350,088.02 and 146,235.40

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Solution

The fourth proportional to 253,683.40, 350,088.02 and 146,235.40 is: 201,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,683.40 : 350,088.02 = 146,235.40 : x
  2. Step 2: Convert to fraction form
    253,683.40/350,088.02 = 146,235.40/x
  3. Step 3: Cross multiply
    253,683.40x = 350,088.02 × 146,235.40
  4. Step 4: Simplify right side
    253,683.40x = 51,195,261,639.91
  5. Step 5: Solve for x
    x = 51,195,261,639.91/253,683.40
  6. Step 6: Final answer
    x = 201,807.69

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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.