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Finding the Fourth Proportional to 843,817.86, 1,164,423.90 and 461,770.80

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Solution

The fourth proportional to 843,817.86, 1,164,423.90 and 461,770.80 is: 637,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,817.86 : 1,164,423.90 = 461,770.80 : x
  2. Step 2: Convert to fraction form
    843,817.86/1,164,423.90 = 461,770.80/x
  3. Step 3: Cross multiply
    843,817.86x = 1,164,423.90 × 461,770.80
  4. Step 4: Simplify right side
    843,817.86x = 537,696,955,842.12
  5. Step 5: Solve for x
    x = 537,696,955,842.12/843,817.86
  6. Step 6: Final answer
    x = 637,219.22

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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.