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Finding the Fourth Proportional to 699,173.02, 964,263.45 and 590,806.90

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Solution

The fourth proportional to 699,173.02, 964,263.45 and 590,806.90 is: 814,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,173.02 : 964,263.45 = 590,806.90 : x
  2. Step 2: Convert to fraction form
    699,173.02/964,263.45 = 590,806.90/x
  3. Step 3: Cross multiply
    699,173.02x = 964,263.45 × 590,806.90
  4. Step 4: Simplify right side
    699,173.02x = 569,693,499,677.81
  5. Step 5: Solve for x
    x = 569,693,499,677.81/699,173.02
  6. Step 6: Final answer
    x = 814,810.47

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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.