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Finding the Fourth Proportional to 623,707.55, 935,676.69 and 197,350.71

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Solution

The fourth proportional to 623,707.55, 935,676.69 and 197,350.71 is: 296,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,707.55 : 935,676.69 = 197,350.71 : x
  2. Step 2: Convert to fraction form
    623,707.55/935,676.69 = 197,350.71/x
  3. Step 3: Cross multiply
    623,707.55x = 935,676.69 × 197,350.71
  4. Step 4: Simplify right side
    623,707.55x = 184,656,459,101.95
  5. Step 5: Solve for x
    x = 184,656,459,101.95/623,707.55
  6. Step 6: Final answer
    x = 296,062.57

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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.