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Finding the Fourth Proportional to 442,087.74, 610,154.91 and 260,844.57

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Solution

The fourth proportional to 442,087.74, 610,154.91 and 260,844.57 is: 360,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,087.74 : 610,154.91 = 260,844.57 : x
  2. Step 2: Convert to fraction form
    442,087.74/610,154.91 = 260,844.57/x
  3. Step 3: Cross multiply
    442,087.74x = 610,154.91 × 260,844.57
  4. Step 4: Simplify right side
    442,087.74x = 159,155,595,132.34
  5. Step 5: Solve for x
    x = 159,155,595,132.34/442,087.74
  6. Step 6: Final answer
    x = 360,009.07

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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.