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Finding the Fourth Proportional to 302,425.35, 453,638.03 and 207,946.95

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Solution

The fourth proportional to 302,425.35, 453,638.03 and 207,946.95 is: 311,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,425.35 : 453,638.03 = 207,946.95 : x
  2. Step 2: Convert to fraction form
    302,425.35/453,638.03 = 207,946.95/x
  3. Step 3: Cross multiply
    302,425.35x = 453,638.03 × 207,946.95
  4. Step 4: Simplify right side
    302,425.35x = 94,332,643,702.77
  5. Step 5: Solve for x
    x = 94,332,643,702.77/302,425.35
  6. Step 6: Final answer
    x = 311,920.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.