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Finding the Fourth Proportional to 259,477.56, 358,113.69 and 152,090.46

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Solution

The fourth proportional to 259,477.56, 358,113.69 and 152,090.46 is: 209,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,477.56 : 358,113.69 = 152,090.46 : x
  2. Step 2: Convert to fraction form
    259,477.56/358,113.69 = 152,090.46/x
  3. Step 3: Cross multiply
    259,477.56x = 358,113.69 × 152,090.46
  4. Step 4: Simplify right side
    259,477.56x = 54,465,675,844.40
  5. Step 5: Solve for x
    x = 54,465,675,844.40/259,477.56
  6. Step 6: Final answer
    x = 209,905.15

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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.