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Finding the Fourth Proportional to 538,552.80, 809,578.80 and 461,570.40

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Solution

The fourth proportional to 538,552.80, 809,578.80 and 461,570.40 is: 693,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,552.80 : 809,578.80 = 461,570.40 : x
  2. Step 2: Convert to fraction form
    538,552.80/809,578.80 = 461,570.40/x
  3. Step 3: Cross multiply
    538,552.80x = 809,578.80 × 461,570.40
  4. Step 4: Simplify right side
    538,552.80x = 373,677,610,547.52
  5. Step 5: Solve for x
    x = 373,677,610,547.52/538,552.80
  6. Step 6: Final answer
    x = 693,855.11

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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.