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Finding the Fourth Proportional to 612,357.35, 843,806.84 and 473,693.85

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Solution

The fourth proportional to 612,357.35, 843,806.84 and 473,693.85 is: 652,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,357.35 : 843,806.84 = 473,693.85 : x
  2. Step 2: Convert to fraction form
    612,357.35/843,806.84 = 473,693.85/x
  3. Step 3: Cross multiply
    612,357.35x = 843,806.84 × 473,693.85
  4. Step 4: Simplify right side
    612,357.35x = 399,706,108,327.47
  5. Step 5: Solve for x
    x = 399,706,108,327.47/612,357.35
  6. Step 6: Final answer
    x = 652,733.43

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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.