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Finding the Fourth Proportional to 583,809.90, 875,649.69 and 157,388.19

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Solution

The fourth proportional to 583,809.90, 875,649.69 and 157,388.19 is: 236,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,809.90 : 875,649.69 = 157,388.19 : x
  2. Step 2: Convert to fraction form
    583,809.90/875,649.69 = 157,388.19/x
  3. Step 3: Cross multiply
    583,809.90x = 875,649.69 × 157,388.19
  4. Step 4: Simplify right side
    583,809.90x = 137,816,919,783.16
  5. Step 5: Solve for x
    x = 137,816,919,783.16/583,809.90
  6. Step 6: Final answer
    x = 236,064.72

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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.