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Finding the Fourth Proportional to 437,870.88, 655,526.88 and 395,848.08

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Solution

The fourth proportional to 437,870.88, 655,526.88 and 395,848.08 is: 592,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,870.88 : 655,526.88 = 395,848.08 : x
  2. Step 2: Convert to fraction form
    437,870.88/655,526.88 = 395,848.08/x
  3. Step 3: Cross multiply
    437,870.88x = 655,526.88 × 395,848.08
  4. Step 4: Simplify right side
    437,870.88x = 259,489,056,836.39
  5. Step 5: Solve for x
    x = 259,489,056,836.39/437,870.88
  6. Step 6: Final answer
    x = 592,615.47

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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.