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Finding the Fourth Proportional to 613,329.40, 919,994.10 and 534,597.40

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Solution

The fourth proportional to 613,329.40, 919,994.10 and 534,597.40 is: 801,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,329.40 : 919,994.10 = 534,597.40 : x
  2. Step 2: Convert to fraction form
    613,329.40/919,994.10 = 534,597.40/x
  3. Step 3: Cross multiply
    613,329.40x = 919,994.10 × 534,597.40
  4. Step 4: Simplify right side
    613,329.40x = 491,826,453,875.34
  5. Step 5: Solve for x
    x = 491,826,453,875.34/613,329.40
  6. Step 6: Final answer
    x = 801,896.10

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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.