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Finding the Fourth Proportional to 632,953.94, 873,484.70 and 346,467.87

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Solution

The fourth proportional to 632,953.94, 873,484.70 and 346,467.87 is: 478,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,953.94 : 873,484.70 = 346,467.87 : x
  2. Step 2: Convert to fraction form
    632,953.94/873,484.70 = 346,467.87/x
  3. Step 3: Cross multiply
    632,953.94x = 873,484.70 × 346,467.87
  4. Step 4: Simplify right side
    632,953.94x = 302,634,381,754.25
  5. Step 5: Solve for x
    x = 302,634,381,754.25/632,953.94
  6. Step 6: Final answer
    x = 478,130.18

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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.