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Finding the Fourth Proportional to 872,475.84, 1,308,714.56 and 273,483.84

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Solution

The fourth proportional to 872,475.84, 1,308,714.56 and 273,483.84 is: 410,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,475.84 : 1,308,714.56 = 273,483.84 : x
  2. Step 2: Convert to fraction form
    872,475.84/1,308,714.56 = 273,483.84/x
  3. Step 3: Cross multiply
    872,475.84x = 1,308,714.56 × 273,483.84
  4. Step 4: Simplify right side
    872,475.84x = 357,912,283,332.71
  5. Step 5: Solve for x
    x = 357,912,283,332.71/872,475.84
  6. Step 6: Final answer
    x = 410,226.01

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Double scale
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Similar ratio
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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.