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Finding the Fourth Proportional to 442,130.94, 610,150.59 and 260,886.96

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Solution

The fourth proportional to 442,130.94, 610,150.59 and 260,886.96 is: 360,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,130.94 : 610,150.59 = 260,886.96 : x
  2. Step 2: Convert to fraction form
    442,130.94/610,150.59 = 260,886.96/x
  3. Step 3: Cross multiply
    442,130.94x = 610,150.59 × 260,886.96
  4. Step 4: Simplify right side
    442,130.94x = 159,180,332,567.31
  5. Step 5: Solve for x
    x = 159,180,332,567.31/442,130.94
  6. Step 6: Final answer
    x = 360,029.84

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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.