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Finding the Fourth Proportional to 623,833.80, 935,289.90 and 249,664.20

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Solution

The fourth proportional to 623,833.80, 935,289.90 and 249,664.20 is: 374,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,833.80 : 935,289.90 = 249,664.20 : x
  2. Step 2: Convert to fraction form
    623,833.80/935,289.90 = 249,664.20/x
  3. Step 3: Cross multiply
    623,833.80x = 935,289.90 × 249,664.20
  4. Step 4: Simplify right side
    623,833.80x = 233,508,404,651.58
  5. Step 5: Solve for x
    x = 233,508,404,651.58/623,833.80
  6. Step 6: Final answer
    x = 374,311.88

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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.