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Finding the Fourth Proportional to 253,465.02, 349,774.79 and 144,566.90

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Solution

The fourth proportional to 253,465.02, 349,774.79 and 144,566.90 is: 199,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,465.02 : 349,774.79 = 144,566.90 : x
  2. Step 2: Convert to fraction form
    253,465.02/349,774.79 = 144,566.90/x
  3. Step 3: Cross multiply
    253,465.02x = 349,774.79 × 144,566.90
  4. Step 4: Simplify right side
    253,465.02x = 50,565,854,616.74
  5. Step 5: Solve for x
    x = 50,565,854,616.74/253,465.02
  6. Step 6: Final answer
    x = 199,498.36

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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.