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Finding the Fourth Proportional to 633,532.34, 874,274.77 and 347,062.74

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Solution

The fourth proportional to 633,532.34, 874,274.77 and 347,062.74 is: 478,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,532.34 : 874,274.77 = 347,062.74 : x
  2. Step 2: Convert to fraction form
    633,532.34/874,274.77 = 347,062.74/x
  3. Step 3: Cross multiply
    633,532.34x = 874,274.77 × 347,062.74
  4. Step 4: Simplify right side
    633,532.34x = 303,428,197,189.07
  5. Step 5: Solve for x
    x = 303,428,197,189.07/633,532.34
  6. Step 6: Final answer
    x = 478,946.66

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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.