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Finding the Fourth Proportional to 545,066.30, 817,599.45 and 335,114.30

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Solution

The fourth proportional to 545,066.30, 817,599.45 and 335,114.30 is: 502,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,066.30 : 817,599.45 = 335,114.30 : x
  2. Step 2: Convert to fraction form
    545,066.30/817,599.45 = 335,114.30/x
  3. Step 3: Cross multiply
    545,066.30x = 817,599.45 × 335,114.30
  4. Step 4: Simplify right side
    545,066.30x = 273,989,267,367.14
  5. Step 5: Solve for x
    x = 273,989,267,367.14/545,066.30
  6. Step 6: Final answer
    x = 502,671.45

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Double scale
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Similar ratio
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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.