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Finding the Fourth Proportional to 592,492.34, 817,638.54 and 320,559.32

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Solution

The fourth proportional to 592,492.34, 817,638.54 and 320,559.32 is: 442,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,492.34 : 817,638.54 = 320,559.32 : x
  2. Step 2: Convert to fraction form
    592,492.34/817,638.54 = 320,559.32/x
  3. Step 3: Cross multiply
    592,492.34x = 817,638.54 × 320,559.32
  4. Step 4: Simplify right side
    592,492.34x = 262,101,654,388.19
  5. Step 5: Solve for x
    x = 262,101,654,388.19/592,492.34
  6. Step 6: Final answer
    x = 442,371.38

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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.