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Finding the Fourth Proportional to 623,945.54, 935,941.77 and 174,654.88

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Solution

The fourth proportional to 623,945.54, 935,941.77 and 174,654.88 is: 261,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,945.54 : 935,941.77 = 174,654.88 : x
  2. Step 2: Convert to fraction form
    623,945.54/935,941.77 = 174,654.88/x
  3. Step 3: Cross multiply
    623,945.54x = 935,941.77 × 174,654.88
  4. Step 4: Simplify right side
    623,945.54x = 163,466,797,526.34
  5. Step 5: Solve for x
    x = 163,466,797,526.34/623,945.54
  6. Step 6: Final answer
    x = 261,988.89

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Double scale
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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.