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Finding the Fourth Proportional to 302,683.50, 452,904.26 and 189,461.70

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Solution

The fourth proportional to 302,683.50, 452,904.26 and 189,461.70 is: 283,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,683.50 : 452,904.26 = 189,461.70 : x
  2. Step 2: Convert to fraction form
    302,683.50/452,904.26 = 189,461.70/x
  3. Step 3: Cross multiply
    302,683.50x = 452,904.26 × 189,461.70
  4. Step 4: Simplify right side
    302,683.50x = 85,808,010,089.53
  5. Step 5: Solve for x
    x = 85,808,010,089.53/302,683.50
  6. Step 6: Final answer
    x = 283,490.87

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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.