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Finding the Fourth Proportional to 675,007.50, 931,529.79 and 373,220.94

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Solution

The fourth proportional to 675,007.50, 931,529.79 and 373,220.94 is: 515,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,007.50 : 931,529.79 = 373,220.94 : x
  2. Step 2: Convert to fraction form
    675,007.50/931,529.79 = 373,220.94/x
  3. Step 3: Cross multiply
    675,007.50x = 931,529.79 × 373,220.94
  4. Step 4: Simplify right side
    675,007.50x = 347,666,423,861.80
  5. Step 5: Solve for x
    x = 347,666,423,861.80/675,007.50
  6. Step 6: Final answer
    x = 515,055.65

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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.