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Finding the Fourth Proportional to 358,307.60, 537,461.40 and 200,515.55

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Solution

The fourth proportional to 358,307.60, 537,461.40 and 200,515.55 is: 300,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,307.60 : 537,461.40 = 200,515.55 : x
  2. Step 2: Convert to fraction form
    358,307.60/537,461.40 = 200,515.55/x
  3. Step 3: Cross multiply
    358,307.60x = 537,461.40 × 200,515.55
  4. Step 4: Simplify right side
    358,307.60x = 107,769,368,224.77
  5. Step 5: Solve for x
    x = 107,769,368,224.77/358,307.60
  6. Step 6: Final answer
    x = 300,773.33

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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.