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Finding the Fourth Proportional to 541,348.77, 812,303.14 and 392,813.67

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Solution

The fourth proportional to 541,348.77, 812,303.14 and 392,813.67 is: 589,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,348.77 : 812,303.14 = 392,813.67 : x
  2. Step 2: Convert to fraction form
    541,348.77/812,303.14 = 392,813.67/x
  3. Step 3: Cross multiply
    541,348.77x = 812,303.14 × 392,813.67
  4. Step 4: Simplify right side
    541,348.77x = 319,083,772,532.37
  5. Step 5: Solve for x
    x = 319,083,772,532.37/541,348.77
  6. Step 6: Final answer
    x = 589,423.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.