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Finding the Fourth Proportional to 855,971, 1,181,037.12 and 506,935.12

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Solution

The fourth proportional to 855,971, 1,181,037.12 and 506,935.12 is: 699,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,971 : 1,181,037.12 = 506,935.12 : x
  2. Step 2: Convert to fraction form
    855,971/1,181,037.12 = 506,935.12/x
  3. Step 3: Cross multiply
    855,971x = 1,181,037.12 × 506,935.12
  4. Step 4: Simplify right side
    855,971x = 598,709,194,151.65
  5. Step 5: Solve for x
    x = 598,709,194,151.65/855,971
  6. Step 6: Final answer
    x = 699,450.33

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Double scale
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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.