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Finding the Fourth Proportional to 558,176.34, 770,259.87 and 316,475.13

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Solution

The fourth proportional to 558,176.34, 770,259.87 and 316,475.13 is: 436,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,176.34 : 770,259.87 = 316,475.13 : x
  2. Step 2: Convert to fraction form
    558,176.34/770,259.87 = 316,475.13/x
  3. Step 3: Cross multiply
    558,176.34x = 770,259.87 × 316,475.13
  4. Step 4: Simplify right side
    558,176.34x = 243,768,092,492.03
  5. Step 5: Solve for x
    x = 243,768,092,492.03/558,176.34
  6. Step 6: Final answer
    x = 436,722.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.