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Finding the Fourth Proportional to 910.99, 1,365.51 and 598.52

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Solution

The fourth proportional to 910.99, 1,365.51 and 598.52 is: 897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.99 : 1,365.51 = 598.52 : x
  2. Step 2: Convert to fraction form
    910.99/1,365.51 = 598.52/x
  3. Step 3: Cross multiply
    910.99x = 1,365.51 × 598.52
  4. Step 4: Simplify right side
    910.99x = 817,285.05
  5. Step 5: Solve for x
    x = 817,285.05/910.99
  6. Step 6: Final answer
    x = 897.14

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Double scale
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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.