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Finding the Fourth Proportional to 922,814.12, 1,273,514.02 and 535,600.50

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Solution

The fourth proportional to 922,814.12, 1,273,514.02 and 535,600.50 is: 739,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,814.12 : 1,273,514.02 = 535,600.50 : x
  2. Step 2: Convert to fraction form
    922,814.12/1,273,514.02 = 535,600.50/x
  3. Step 3: Cross multiply
    922,814.12x = 1,273,514.02 × 535,600.50
  4. Step 4: Simplify right side
    922,814.12x = 682,094,745,869.01
  5. Step 5: Solve for x
    x = 682,094,745,869.01/922,814.12
  6. Step 6: Final answer
    x = 739,146.41

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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.