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Finding the Fourth Proportional to 601,777.71, 830,445.84 and 326,129.67

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Solution

The fourth proportional to 601,777.71, 830,445.84 and 326,129.67 is: 450,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,777.71 : 830,445.84 = 326,129.67 : x
  2. Step 2: Convert to fraction form
    601,777.71/830,445.84 = 326,129.67/x
  3. Step 3: Cross multiply
    601,777.71x = 830,445.84 × 326,129.67
  4. Step 4: Simplify right side
    601,777.71x = 270,833,027,752.07
  5. Step 5: Solve for x
    x = 270,833,027,752.07/601,777.71
  6. Step 6: Final answer
    x = 450,054.93

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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.