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Finding the Fourth Proportional to 575,342.66, 863,476.23 and 259,827.14

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Solution

The fourth proportional to 575,342.66, 863,476.23 and 259,827.14 is: 389,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,342.66 : 863,476.23 = 259,827.14 : x
  2. Step 2: Convert to fraction form
    575,342.66/863,476.23 = 259,827.14/x
  3. Step 3: Cross multiply
    575,342.66x = 863,476.23 × 259,827.14
  4. Step 4: Simplify right side
    575,342.66x = 224,354,554,981.50
  5. Step 5: Solve for x
    x = 224,354,554,981.50/575,342.66
  6. Step 6: Final answer
    x = 389,949.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.