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Finding the Fourth Proportional to 653,085.43, 901,266.72 and 362,715.77

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Solution

The fourth proportional to 653,085.43, 901,266.72 and 362,715.77 is: 500,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,085.43 : 901,266.72 = 362,715.77 : x
  2. Step 2: Convert to fraction form
    653,085.43/901,266.72 = 362,715.77/x
  3. Step 3: Cross multiply
    653,085.43x = 901,266.72 × 362,715.77
  4. Step 4: Simplify right side
    653,085.43x = 326,903,656,273.57
  5. Step 5: Solve for x
    x = 326,903,656,273.57/653,085.43
  6. Step 6: Final answer
    x = 500,552.67

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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.