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Finding the Fourth Proportional to 586,426.46, 809,270.07 and 318,154.46

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Solution

The fourth proportional to 586,426.46, 809,270.07 and 318,154.46 is: 439,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,426.46 : 809,270.07 = 318,154.46 : x
  2. Step 2: Convert to fraction form
    586,426.46/809,270.07 = 318,154.46/x
  3. Step 3: Cross multiply
    586,426.46x = 809,270.07 × 318,154.46
  4. Step 4: Simplify right side
    586,426.46x = 257,472,882,115.01
  5. Step 5: Solve for x
    x = 257,472,882,115.01/586,426.46
  6. Step 6: Final answer
    x = 439,054.00

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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.