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Finding the Fourth Proportional to 358,925, 495,326.74 and 199,959.24

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Solution

The fourth proportional to 358,925, 495,326.74 and 199,959.24 is: 275,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,925 : 495,326.74 = 199,959.24 : x
  2. Step 2: Convert to fraction form
    358,925/495,326.74 = 199,959.24/x
  3. Step 3: Cross multiply
    358,925x = 495,326.74 × 199,959.24
  4. Step 4: Simplify right side
    358,925x = 99,045,158,482.08
  5. Step 5: Solve for x
    x = 99,045,158,482.08/358,925
  6. Step 6: Final answer
    x = 275,949.46

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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.