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Finding the Fourth Proportional to 507,487.08, 700,406.78 and 292,585.16

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Solution

The fourth proportional to 507,487.08, 700,406.78 and 292,585.16 is: 403,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,487.08 : 700,406.78 = 292,585.16 : x
  2. Step 2: Convert to fraction form
    507,487.08/700,406.78 = 292,585.16/x
  3. Step 3: Cross multiply
    507,487.08x = 700,406.78 × 292,585.16
  4. Step 4: Simplify right side
    507,487.08x = 204,928,629,791.39
  5. Step 5: Solve for x
    x = 204,928,629,791.39/507,487.08
  6. Step 6: Final answer
    x = 403,810.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.