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Finding the Fourth Proportional to 623,910.30, 935,404.65 and 249,740.70

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Solution

The fourth proportional to 623,910.30, 935,404.65 and 249,740.70 is: 374,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,910.30 : 935,404.65 = 249,740.70 : x
  2. Step 2: Convert to fraction form
    623,910.30/935,404.65 = 249,740.70/x
  3. Step 3: Cross multiply
    623,910.30x = 935,404.65 × 249,740.70
  4. Step 4: Simplify right side
    623,910.30x = 233,608,612,074.26
  5. Step 5: Solve for x
    x = 233,608,612,074.26/623,910.30
  6. Step 6: Final answer
    x = 374,426.60

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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.