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Finding the Fourth Proportional to 606,870.63, 910,158.32 and 287,009.58

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Solution

The fourth proportional to 606,870.63, 910,158.32 and 287,009.58 is: 430,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,870.63 : 910,158.32 = 287,009.58 : x
  2. Step 2: Convert to fraction form
    606,870.63/910,158.32 = 287,009.58/x
  3. Step 3: Cross multiply
    606,870.63x = 910,158.32 × 287,009.58
  4. Step 4: Simplify right side
    606,870.63x = 261,224,156,167.68
  5. Step 5: Solve for x
    x = 261,224,156,167.68/606,870.63
  6. Step 6: Final answer
    x = 430,444.55

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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.