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Finding the Fourth Proportional to 576,483.40, 864,206.70 and 376,899.40

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Solution

The fourth proportional to 576,483.40, 864,206.70 and 376,899.40 is: 565,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,483.40 : 864,206.70 = 376,899.40 : x
  2. Step 2: Convert to fraction form
    576,483.40/864,206.70 = 376,899.40/x
  3. Step 3: Cross multiply
    576,483.40x = 864,206.70 × 376,899.40
  4. Step 4: Simplify right side
    576,483.40x = 325,718,986,705.98
  5. Step 5: Solve for x
    x = 325,718,986,705.98/576,483.40
  6. Step 6: Final answer
    x = 565,010.17

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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.