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Finding the Fourth Proportional to 590,597.20, 885,312.60 and 290,832.40

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Solution

The fourth proportional to 590,597.20, 885,312.60 and 290,832.40 is: 435,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,597.20 : 885,312.60 = 290,832.40 : x
  2. Step 2: Convert to fraction form
    590,597.20/885,312.60 = 290,832.40/x
  3. Step 3: Cross multiply
    590,597.20x = 885,312.60 × 290,832.40
  4. Step 4: Simplify right side
    590,597.20x = 257,477,588,208.24
  5. Step 5: Solve for x
    x = 257,477,588,208.24/590,597.20
  6. Step 6: Final answer
    x = 435,961.41

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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.