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Finding the Fourth Proportional to 438,030.84, 604,483.46 and 236,826.84

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Solution

The fourth proportional to 438,030.84, 604,483.46 and 236,826.84 is: 326,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,030.84 : 604,483.46 = 236,826.84 : x
  2. Step 2: Convert to fraction form
    438,030.84/604,483.46 = 236,826.84/x
  3. Step 3: Cross multiply
    438,030.84x = 604,483.46 × 236,826.84
  4. Step 4: Simplify right side
    438,030.84x = 143,157,907,664.07
  5. Step 5: Solve for x
    x = 143,157,907,664.07/438,030.84
  6. Step 6: Final answer
    x = 326,821.53

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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.