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Finding the Fourth Proportional to 623,587.76, 935,090.80 and 323,987.80

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Solution

The fourth proportional to 623,587.76, 935,090.80 and 323,987.80 is: 485,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,587.76 : 935,090.80 = 323,987.80 : x
  2. Step 2: Convert to fraction form
    623,587.76/935,090.80 = 323,987.80/x
  3. Step 3: Cross multiply
    623,587.76x = 935,090.80 × 323,987.80
  4. Step 4: Simplify right side
    623,587.76x = 302,958,011,092.24
  5. Step 5: Solve for x
    x = 302,958,011,092.24/623,587.76
  6. Step 6: Final answer
    x = 485,830.59

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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.