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Finding the Fourth Proportional to 349,464.40, 524,196.60 and 343,632.40

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Solution

The fourth proportional to 349,464.40, 524,196.60 and 343,632.40 is: 515,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,464.40 : 524,196.60 = 343,632.40 : x
  2. Step 2: Convert to fraction form
    349,464.40/524,196.60 = 343,632.40/x
  3. Step 3: Cross multiply
    349,464.40x = 524,196.60 × 343,632.40
  4. Step 4: Simplify right side
    349,464.40x = 180,130,935,729.84
  5. Step 5: Solve for x
    x = 180,130,935,729.84/349,464.40
  6. Step 6: Final answer
    x = 515,448.60

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1.5x scale

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.