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Finding the Fourth Proportional to 365,034.60, 547,551.90 and 258,746.40

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Solution

The fourth proportional to 365,034.60, 547,551.90 and 258,746.40 is: 388,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,034.60 : 547,551.90 = 258,746.40 : x
  2. Step 2: Convert to fraction form
    365,034.60/547,551.90 = 258,746.40/x
  3. Step 3: Cross multiply
    365,034.60x = 547,551.90 × 258,746.40
  4. Step 4: Simplify right side
    365,034.60x = 141,677,082,938.16
  5. Step 5: Solve for x
    x = 141,677,082,938.16/365,034.60
  6. Step 6: Final answer
    x = 388,119.60

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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.