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Finding the Fourth Proportional to 365,037.60, 547,556.40 and 258,749.40

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Solution

The fourth proportional to 365,037.60, 547,556.40 and 258,749.40 is: 388,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,037.60 : 547,556.40 = 258,749.40 : x
  2. Step 2: Convert to fraction form
    365,037.60/547,556.40 = 258,749.40/x
  3. Step 3: Cross multiply
    365,037.60x = 547,556.40 × 258,749.40
  4. Step 4: Simplify right side
    365,037.60x = 141,679,889,966.16
  5. Step 5: Solve for x
    x = 141,679,889,966.16/365,037.60
  6. Step 6: Final answer
    x = 388,124.10

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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.