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Finding the Fourth Proportional to 719,577.50, 992,093.90 and 590,038.70

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Solution

The fourth proportional to 719,577.50, 992,093.90 and 590,038.70 is: 813,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,577.50 : 992,093.90 = 590,038.70 : x
  2. Step 2: Convert to fraction form
    719,577.50/992,093.90 = 590,038.70/x
  3. Step 3: Cross multiply
    719,577.50x = 992,093.90 × 590,038.70
  4. Step 4: Simplify right side
    719,577.50x = 585,373,795,033.93
  5. Step 5: Solve for x
    x = 585,373,795,033.93/719,577.50
  6. Step 6: Final answer
    x = 813,496.52

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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.