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Finding the Fourth Proportional to 516,025.01, 712,094.97 and 286,597.07

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Solution

The fourth proportional to 516,025.01, 712,094.97 and 286,597.07 is: 395,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,025.01 : 712,094.97 = 286,597.07 : x
  2. Step 2: Convert to fraction form
    516,025.01/712,094.97 = 286,597.07/x
  3. Step 3: Cross multiply
    516,025.01x = 712,094.97 × 286,597.07
  4. Step 4: Simplify right side
    516,025.01x = 204,084,328,403.26
  5. Step 5: Solve for x
    x = 204,084,328,403.26/516,025.01
  6. Step 6: Final answer
    x = 395,493.10

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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.