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Finding the Fourth Proportional to 444,275.89, 612,905.95 and 260,421.26

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Solution

The fourth proportional to 444,275.89, 612,905.95 and 260,421.26 is: 359,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,275.89 : 612,905.95 = 260,421.26 : x
  2. Step 2: Convert to fraction form
    444,275.89/612,905.95 = 260,421.26/x
  3. Step 3: Cross multiply
    444,275.89x = 612,905.95 × 260,421.26
  4. Step 4: Simplify right side
    444,275.89x = 159,613,739,760.50
  5. Step 5: Solve for x
    x = 159,613,739,760.50/444,275.89
  6. Step 6: Final answer
    x = 359,267.17

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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.