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Finding the Fourth Proportional to 349,005.15, 523,509.72 and 124,374.21

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Solution

The fourth proportional to 349,005.15, 523,509.72 and 124,374.21 is: 186,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,005.15 : 523,509.72 = 124,374.21 : x
  2. Step 2: Convert to fraction form
    349,005.15/523,509.72 = 124,374.21/x
  3. Step 3: Cross multiply
    349,005.15x = 523,509.72 × 124,374.21
  4. Step 4: Simplify right side
    349,005.15x = 65,111,107,852.32
  5. Step 5: Solve for x
    x = 65,111,107,852.32/349,005.15
  6. Step 6: Final answer
    x = 186,562.03

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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.