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Finding the Fourth Proportional to 202,497.40, 303,746.10 and 155,258.20

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Solution

The fourth proportional to 202,497.40, 303,746.10 and 155,258.20 is: 232,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,497.40 : 303,746.10 = 155,258.20 : x
  2. Step 2: Convert to fraction form
    202,497.40/303,746.10 = 155,258.20/x
  3. Step 3: Cross multiply
    202,497.40x = 303,746.10 × 155,258.20
  4. Step 4: Simplify right side
    202,497.40x = 47,159,072,743.02
  5. Step 5: Solve for x
    x = 47,159,072,743.02/202,497.40
  6. Step 6: Final answer
    x = 232,887.30

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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.