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Finding the Fourth Proportional to 722,369.34, 996,877.08 and 435,834.12

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Solution

The fourth proportional to 722,369.34, 996,877.08 and 435,834.12 is: 601,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,369.34 : 996,877.08 = 435,834.12 : x
  2. Step 2: Convert to fraction form
    722,369.34/996,877.08 = 435,834.12/x
  3. Step 3: Cross multiply
    722,369.34x = 996,877.08 × 435,834.12
  4. Step 4: Simplify right side
    722,369.34x = 434,473,044,909.97
  5. Step 5: Solve for x
    x = 434,473,044,909.97/722,369.34
  6. Step 6: Final answer
    x = 601,455.54

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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.