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Finding the Fourth Proportional to 1,041.19, 1,436.81 and 569.10

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Solution

The fourth proportional to 1,041.19, 1,436.81 and 569.10 is: 785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.19 : 1,436.81 = 569.10 : x
  2. Step 2: Convert to fraction form
    1,041.19/1,436.81 = 569.10/x
  3. Step 3: Cross multiply
    1,041.19x = 1,436.81 × 569.10
  4. Step 4: Simplify right side
    1,041.19x = 817,688.57
  5. Step 5: Solve for x
    x = 817,688.57/1,041.19
  6. Step 6: Final answer
    x = 785.34

Related Problems

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Half scale
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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.