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Finding the Fourth Proportional to 260,460.88, 359,482.14 and 153,030.94

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Solution

The fourth proportional to 260,460.88, 359,482.14 and 153,030.94 is: 211,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,460.88 : 359,482.14 = 153,030.94 : x
  2. Step 2: Convert to fraction form
    260,460.88/359,482.14 = 153,030.94/x
  3. Step 3: Cross multiply
    260,460.88x = 359,482.14 × 153,030.94
  4. Step 4: Simplify right side
    260,460.88x = 55,011,889,797.41
  5. Step 5: Solve for x
    x = 55,011,889,797.41/260,460.88
  6. Step 6: Final answer
    x = 211,209.80

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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.