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Finding the Fourth Proportional to 298,725.60, 448,088.40 and 273,842.40

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Solution

The fourth proportional to 298,725.60, 448,088.40 and 273,842.40 is: 410,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,725.60 : 448,088.40 = 273,842.40 : x
  2. Step 2: Convert to fraction form
    298,725.60/448,088.40 = 273,842.40/x
  3. Step 3: Cross multiply
    298,725.60x = 448,088.40 × 273,842.40
  4. Step 4: Simplify right side
    298,725.60x = 122,705,602,868.16
  5. Step 5: Solve for x
    x = 122,705,602,868.16/298,725.60
  6. Step 6: Final answer
    x = 410,763.60

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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.