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Finding the Fourth Proportional to 633,144.66, 873,739.47 and 346,664.67

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Solution

The fourth proportional to 633,144.66, 873,739.47 and 346,664.67 is: 478,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,144.66 : 873,739.47 = 346,664.67 : x
  2. Step 2: Convert to fraction form
    633,144.66/873,739.47 = 346,664.67/x
  3. Step 3: Cross multiply
    633,144.66x = 873,739.47 × 346,664.67
  4. Step 4: Simplify right side
    633,144.66x = 302,894,605,033.53
  5. Step 5: Solve for x
    x = 302,894,605,033.53/633,144.66
  6. Step 6: Final answer
    x = 478,397.16

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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.