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Finding the Fourth Proportional to 439,800.64, 606,924.96 and 248,810.08

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Solution

The fourth proportional to 439,800.64, 606,924.96 and 248,810.08 is: 343,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,800.64 : 606,924.96 = 248,810.08 : x
  2. Step 2: Convert to fraction form
    439,800.64/606,924.96 = 248,810.08/x
  3. Step 3: Cross multiply
    439,800.64x = 606,924.96 × 248,810.08
  4. Step 4: Simplify right side
    439,800.64x = 151,009,047,851.60
  5. Step 5: Solve for x
    x = 151,009,047,851.60/439,800.64
  6. Step 6: Final answer
    x = 343,357.95

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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.