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Finding the Fourth Proportional to 570,273.54, 787,065.84 and 325,258.80

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Solution

The fourth proportional to 570,273.54, 787,065.84 and 325,258.80 is: 448,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,273.54 : 787,065.84 = 325,258.80 : x
  2. Step 2: Convert to fraction form
    570,273.54/787,065.84 = 325,258.80/x
  3. Step 3: Cross multiply
    570,273.54x = 787,065.84 × 325,258.80
  4. Step 4: Simplify right side
    570,273.54x = 256,000,090,639.39
  5. Step 5: Solve for x
    x = 256,000,090,639.39/570,273.54
  6. Step 6: Final answer
    x = 448,907.54

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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.