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Finding the Fourth Proportional to 358,752.18, 495,059.72 and 197,603.76

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Solution

The fourth proportional to 358,752.18, 495,059.72 and 197,603.76 is: 272,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,752.18 : 495,059.72 = 197,603.76 : x
  2. Step 2: Convert to fraction form
    358,752.18/495,059.72 = 197,603.76/x
  3. Step 3: Cross multiply
    358,752.18x = 495,059.72 × 197,603.76
  4. Step 4: Simplify right side
    358,752.18x = 97,825,662,096.55
  5. Step 5: Solve for x
    x = 97,825,662,096.55/358,752.18
  6. Step 6: Final answer
    x = 272,683.12

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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.