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Finding the Fourth Proportional to 610,228.04, 915,301 and 210,874.28

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Solution

The fourth proportional to 610,228.04, 915,301 and 210,874.28 is: 316,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,228.04 : 915,301 = 210,874.28 : x
  2. Step 2: Convert to fraction form
    610,228.04/915,301 = 210,874.28/x
  3. Step 3: Cross multiply
    610,228.04x = 915,301 × 210,874.28
  4. Step 4: Simplify right side
    610,228.04x = 193,013,439,358.28
  5. Step 5: Solve for x
    x = 193,013,439,358.28/610,228.04
  6. Step 6: Final answer
    x = 316,297.23

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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.