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Finding the Fourth Proportional to 349,507, 524,127.28 and 124,825.48

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Solution

The fourth proportional to 349,507, 524,127.28 and 124,825.48 is: 187,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,507 : 524,127.28 = 124,825.48 : x
  2. Step 2: Convert to fraction form
    349,507/524,127.28 = 124,825.48/x
  3. Step 3: Cross multiply
    349,507x = 524,127.28 × 124,825.48
  4. Step 4: Simplify right side
    349,507x = 65,424,439,307.09
  5. Step 5: Solve for x
    x = 65,424,439,307.09/349,507
  6. Step 6: Final answer
    x = 187,190.64

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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.