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Finding the Fourth Proportional to 455,484.30, 683,226.45 and 245,532.30

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Solution

The fourth proportional to 455,484.30, 683,226.45 and 245,532.30 is: 368,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,484.30 : 683,226.45 = 245,532.30 : x
  2. Step 2: Convert to fraction form
    455,484.30/683,226.45 = 245,532.30/x
  3. Step 3: Cross multiply
    455,484.30x = 683,226.45 × 245,532.30
  4. Step 4: Simplify right side
    455,484.30x = 167,754,161,689.34
  5. Step 5: Solve for x
    x = 167,754,161,689.34/455,484.30
  6. Step 6: Final answer
    x = 368,298.45

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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.