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Finding the Fourth Proportional to 1,116,233, 1,674,349.60 and 328,265

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Solution

The fourth proportional to 1,116,233, 1,674,349.60 and 328,265 is: 492,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,233 : 1,674,349.60 = 328,265 : x
  2. Step 2: Convert to fraction form
    1,116,233/1,674,349.60 = 328,265/x
  3. Step 3: Cross multiply
    1,116,233x = 1,674,349.60 × 328,265
  4. Step 4: Simplify right side
    1,116,233x = 549,630,371,444.00
  5. Step 5: Solve for x
    x = 549,630,371,444.00/1,116,233
  6. Step 6: Final answer
    x = 492,397.53

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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.