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Finding the Fourth Proportional to 673,681.10, 1,009,644.14 and 273,854.84

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Solution

The fourth proportional to 673,681.10, 1,009,644.14 and 273,854.84 is: 410,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,681.10 : 1,009,644.14 = 273,854.84 : x
  2. Step 2: Convert to fraction form
    673,681.10/1,009,644.14 = 273,854.84/x
  3. Step 3: Cross multiply
    673,681.10x = 1,009,644.14 × 273,854.84
  4. Step 4: Simplify right side
    673,681.10x = 276,495,934,416.64
  5. Step 5: Solve for x
    x = 276,495,934,416.64/673,681.10
  6. Step 6: Final answer
    x = 410,425.55

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Double scale
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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.