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Finding the Fourth Proportional to 908,892.84, 1,363,342.68 and 277,804.20

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Solution

The fourth proportional to 908,892.84, 1,363,342.68 and 277,804.20 is: 416,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,892.84 : 1,363,342.68 = 277,804.20 : x
  2. Step 2: Convert to fraction form
    908,892.84/1,363,342.68 = 277,804.20/x
  3. Step 3: Cross multiply
    908,892.84x = 1,363,342.68 × 277,804.20
  4. Step 4: Simplify right side
    908,892.84x = 378,742,322,543.26
  5. Step 5: Solve for x
    x = 378,742,322,543.26/908,892.84
  6. Step 6: Final answer
    x = 416,707.35

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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.