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Finding the Fourth Proportional to 255,339.24, 351,607.32 and 249,674.64

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Solution

The fourth proportional to 255,339.24, 351,607.32 and 249,674.64 is: 343,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,339.24 : 351,607.32 = 249,674.64 : x
  2. Step 2: Convert to fraction form
    255,339.24/351,607.32 = 249,674.64/x
  3. Step 3: Cross multiply
    255,339.24x = 351,607.32 × 249,674.64
  4. Step 4: Simplify right side
    255,339.24x = 87,787,431,042.36
  5. Step 5: Solve for x
    x = 87,787,431,042.36/255,339.24
  6. Step 6: Final answer
    x = 343,807.05

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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.