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Finding the Fourth Proportional to 367,810.32, 507,588.40 and 258,949.28

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Solution

The fourth proportional to 367,810.32, 507,588.40 and 258,949.28 is: 357,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,810.32 : 507,588.40 = 258,949.28 : x
  2. Step 2: Convert to fraction form
    367,810.32/507,588.40 = 258,949.28/x
  3. Step 3: Cross multiply
    367,810.32x = 507,588.40 × 258,949.28
  4. Step 4: Simplify right side
    367,810.32x = 131,439,650,716.35
  5. Step 5: Solve for x
    x = 131,439,650,716.35/367,810.32
  6. Step 6: Final answer
    x = 357,357.16

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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.