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Finding the Fourth Proportional to 613,895.40, 922,811.40 and 437,623.20

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Solution

The fourth proportional to 613,895.40, 922,811.40 and 437,623.20 is: 657,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,895.40 : 922,811.40 = 437,623.20 : x
  2. Step 2: Convert to fraction form
    613,895.40/922,811.40 = 437,623.20/x
  3. Step 3: Cross multiply
    613,895.40x = 922,811.40 × 437,623.20
  4. Step 4: Simplify right side
    613,895.40x = 403,843,677,864.48
  5. Step 5: Solve for x
    x = 403,843,677,864.48/613,895.40
  6. Step 6: Final answer
    x = 657,837.93

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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.