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Finding the Fourth Proportional to 531,551.10, 733,602.76 and 302,142.90

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Solution

The fourth proportional to 531,551.10, 733,602.76 and 302,142.90 is: 416,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,551.10 : 733,602.76 = 302,142.90 : x
  2. Step 2: Convert to fraction form
    531,551.10/733,602.76 = 302,142.90/x
  3. Step 3: Cross multiply
    531,551.10x = 733,602.76 × 302,142.90
  4. Step 4: Simplify right side
    531,551.10x = 221,652,865,354.40
  5. Step 5: Solve for x
    x = 221,652,865,354.40/531,551.10
  6. Step 6: Final answer
    x = 416,992.58

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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.