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Finding the Fourth Proportional to 403,524.84, 556,266.84 and 258,309.24

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Solution

The fourth proportional to 403,524.84, 556,266.84 and 258,309.24 is: 356,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,524.84 : 556,266.84 = 258,309.24 : x
  2. Step 2: Convert to fraction form
    403,524.84/556,266.84 = 258,309.24/x
  3. Step 3: Cross multiply
    403,524.84x = 556,266.84 × 258,309.24
  4. Step 4: Simplify right side
    403,524.84x = 143,688,864,677.60
  5. Step 5: Solve for x
    x = 143,688,864,677.60/403,524.84
  6. Step 6: Final answer
    x = 356,084.31

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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.