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Finding the Fourth Proportional to 1,041.23, 1,436.94 and 569.16

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Solution

The fourth proportional to 1,041.23, 1,436.94 and 569.16 is: 785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.23 : 1,436.94 = 569.16 : x
  2. Step 2: Convert to fraction form
    1,041.23/1,436.94 = 569.16/x
  3. Step 3: Cross multiply
    1,041.23x = 1,436.94 × 569.16
  4. Step 4: Simplify right side
    1,041.23x = 817,850.38
  5. Step 5: Solve for x
    x = 817,850.38/1,041.23
  6. Step 6: Final answer
    x = 785.46

Related Problems

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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.