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Finding the Fourth Proportional to 326,044.30, 489,066.45 and 184,326.70

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Solution

The fourth proportional to 326,044.30, 489,066.45 and 184,326.70 is: 276,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,044.30 : 489,066.45 = 184,326.70 : x
  2. Step 2: Convert to fraction form
    326,044.30/489,066.45 = 184,326.70/x
  3. Step 3: Cross multiply
    326,044.30x = 489,066.45 × 184,326.70
  4. Step 4: Simplify right side
    326,044.30x = 90,148,004,809.22
  5. Step 5: Solve for x
    x = 90,148,004,809.22/326,044.30
  6. Step 6: Final answer
    x = 276,490.05

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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.