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Finding the Fourth Proportional to 608,768.47, 840,438.35 and 367,112.26

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Solution

The fourth proportional to 608,768.47, 840,438.35 and 367,112.26 is: 506,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,768.47 : 840,438.35 = 367,112.26 : x
  2. Step 2: Convert to fraction form
    608,768.47/840,438.35 = 367,112.26/x
  3. Step 3: Cross multiply
    608,768.47x = 840,438.35 × 367,112.26
  4. Step 4: Simplify right side
    608,768.47x = 308,535,220,223.61
  5. Step 5: Solve for x
    x = 308,535,220,223.61/608,768.47
  6. Step 6: Final answer
    x = 506,818.66

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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.