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Finding the Fourth Proportional to 358,307.35, 537,461.03 and 200,515.30

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Solution

The fourth proportional to 358,307.35, 537,461.03 and 200,515.30 is: 300,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,307.35 : 537,461.03 = 200,515.30 : x
  2. Step 2: Convert to fraction form
    358,307.35/537,461.03 = 200,515.30/x
  3. Step 3: Cross multiply
    358,307.35x = 537,461.03 × 200,515.30
  4. Step 4: Simplify right side
    358,307.35x = 107,769,158,666.18
  5. Step 5: Solve for x
    x = 107,769,158,666.18/358,307.35
  6. Step 6: Final answer
    x = 300,772.95

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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.