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Finding the Fourth Proportional to 348,185.88, 480,332.70 and 252,482.76

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Solution

The fourth proportional to 348,185.88, 480,332.70 and 252,482.76 is: 348,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,185.88 : 480,332.70 = 252,482.76 : x
  2. Step 2: Convert to fraction form
    348,185.88/480,332.70 = 252,482.76/x
  3. Step 3: Cross multiply
    348,185.88x = 480,332.70 × 252,482.76
  4. Step 4: Simplify right side
    348,185.88x = 121,275,725,814.25
  5. Step 5: Solve for x
    x = 121,275,725,814.25/348,185.88
  6. Step 6: Final answer
    x = 348,307.42

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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.