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Finding the Fourth Proportional to 620,146.35, 930,053 and 170,760.23

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Solution

The fourth proportional to 620,146.35, 930,053 and 170,760.23 is: 256,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,146.35 : 930,053 = 170,760.23 : x
  2. Step 2: Convert to fraction form
    620,146.35/930,053 = 170,760.23/x
  3. Step 3: Cross multiply
    620,146.35x = 930,053 × 170,760.23
  4. Step 4: Simplify right side
    620,146.35x = 158,816,064,192.19
  5. Step 5: Solve for x
    x = 158,816,064,192.19/620,146.35
  6. Step 6: Final answer
    x = 256,094.49

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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.