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Finding the Fourth Proportional to 586,084.98, 808,922.88 and 381,771.33

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Solution

The fourth proportional to 586,084.98, 808,922.88 and 381,771.33 is: 526,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,084.98 : 808,922.88 = 381,771.33 : x
  2. Step 2: Convert to fraction form
    586,084.98/808,922.88 = 381,771.33/x
  3. Step 3: Cross multiply
    586,084.98x = 808,922.88 × 381,771.33
  4. Step 4: Simplify right side
    586,084.98x = 308,823,566,483.13
  5. Step 5: Solve for x
    x = 308,823,566,483.13/586,084.98
  6. Step 6: Final answer
    x = 526,926.26

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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.