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Finding the Fourth Proportional to 633,416.07, 874,114.29 and 346,946.41

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Solution

The fourth proportional to 633,416.07, 874,114.29 and 346,946.41 is: 478,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,416.07 : 874,114.29 = 346,946.41 : x
  2. Step 2: Convert to fraction form
    633,416.07/874,114.29 = 346,946.41/x
  3. Step 3: Cross multiply
    633,416.07x = 874,114.29 × 346,946.41
  4. Step 4: Simplify right side
    633,416.07x = 303,270,814,845.20
  5. Step 5: Solve for x
    x = 303,270,814,845.20/633,416.07
  6. Step 6: Final answer
    x = 478,786.11

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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.