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Finding the Fourth Proportional to 362,000.30, 543,000.45 and 334,006.70

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Solution

The fourth proportional to 362,000.30, 543,000.45 and 334,006.70 is: 501,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,000.30 : 543,000.45 = 334,006.70 : x
  2. Step 2: Convert to fraction form
    362,000.30/543,000.45 = 334,006.70/x
  3. Step 3: Cross multiply
    362,000.30x = 543,000.45 × 334,006.70
  4. Step 4: Simplify right side
    362,000.30x = 181,365,788,403.02
  5. Step 5: Solve for x
    x = 181,365,788,403.02/362,000.30
  6. Step 6: Final answer
    x = 501,010.05

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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.