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Finding the Fourth Proportional to 358,850.22, 495,210.90 and 197,701.50

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Solution

The fourth proportional to 358,850.22, 495,210.90 and 197,701.50 is: 272,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,850.22 : 495,210.90 = 197,701.50 : x
  2. Step 2: Convert to fraction form
    358,850.22/495,210.90 = 197,701.50/x
  3. Step 3: Cross multiply
    358,850.22x = 495,210.90 × 197,701.50
  4. Step 4: Simplify right side
    358,850.22x = 97,903,937,746.35
  5. Step 5: Solve for x
    x = 97,903,937,746.35/358,850.22
  6. Step 6: Final answer
    x = 272,826.75

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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.