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Finding the Fourth Proportional to 623,892.80, 935,378.40 and 249,723.20

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Solution

The fourth proportional to 623,892.80, 935,378.40 and 249,723.20 is: 374,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,892.80 : 935,378.40 = 249,723.20 : x
  2. Step 2: Convert to fraction form
    623,892.80/935,378.40 = 249,723.20/x
  3. Step 3: Cross multiply
    623,892.80x = 935,378.40 × 249,723.20
  4. Step 4: Simplify right side
    623,892.80x = 233,585,687,258.88
  5. Step 5: Solve for x
    x = 233,585,687,258.88/623,892.80
  6. Step 6: Final answer
    x = 374,400.36

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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.