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Finding the Fourth Proportional to 590,464.80, 885,783.60 and 310,003.20

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Solution

The fourth proportional to 590,464.80, 885,783.60 and 310,003.20 is: 465,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,464.80 : 885,783.60 = 310,003.20 : x
  2. Step 2: Convert to fraction form
    590,464.80/885,783.60 = 310,003.20/x
  3. Step 3: Cross multiply
    590,464.80x = 885,783.60 × 310,003.20
  4. Step 4: Simplify right side
    590,464.80x = 274,595,750,507.52
  5. Step 5: Solve for x
    x = 274,595,750,507.52/590,464.80
  6. Step 6: Final answer
    x = 465,050.16

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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.