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Finding the Fourth Proportional to 581,465.60, 801,942.36 and 409,955.12

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Solution

The fourth proportional to 581,465.60, 801,942.36 and 409,955.12 is: 565,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,465.60 : 801,942.36 = 409,955.12 : x
  2. Step 2: Convert to fraction form
    581,465.60/801,942.36 = 409,955.12/x
  3. Step 3: Cross multiply
    581,465.60x = 801,942.36 × 409,955.12
  4. Step 4: Simplify right side
    581,465.60x = 328,760,376,426.88
  5. Step 5: Solve for x
    x = 328,760,376,426.88/581,465.60
  6. Step 6: Final answer
    x = 565,399.53

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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.