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Finding the Fourth Proportional to 348,045.35, 522,068.03 and 243,069.35

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Solution

The fourth proportional to 348,045.35, 522,068.03 and 243,069.35 is: 364,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.35 : 522,068.03 = 243,069.35 : x
  2. Step 2: Convert to fraction form
    348,045.35/522,068.03 = 243,069.35/x
  3. Step 3: Cross multiply
    348,045.35x = 522,068.03 × 243,069.35
  4. Step 4: Simplify right side
    348,045.35x = 126,898,735,492.53
  5. Step 5: Solve for x
    x = 126,898,735,492.53/348,045.35
  6. Step 6: Final answer
    x = 364,604.03

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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.