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Finding the Fourth Proportional to 623,807.80, 935,250.90 and 249,638.20

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Solution

The fourth proportional to 623,807.80, 935,250.90 and 249,638.20 is: 374,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,807.80 : 935,250.90 = 249,638.20 : x
  2. Step 2: Convert to fraction form
    623,807.80/935,250.90 = 249,638.20/x
  3. Step 3: Cross multiply
    623,807.80x = 935,250.90 × 249,638.20
  4. Step 4: Simplify right side
    623,807.80x = 233,474,351,224.38
  5. Step 5: Solve for x
    x = 233,474,351,224.38/623,807.80
  6. Step 6: Final answer
    x = 374,272.89

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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.