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Finding the Fourth Proportional to 310,248.99, 465,397.07 and 120,627.89

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Solution

The fourth proportional to 310,248.99, 465,397.07 and 120,627.89 is: 180,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,248.99 : 465,397.07 = 120,627.89 : x
  2. Step 2: Convert to fraction form
    310,248.99/465,397.07 = 120,627.89/x
  3. Step 3: Cross multiply
    310,248.99x = 465,397.07 × 120,627.89
  4. Step 4: Simplify right side
    310,248.99x = 56,139,867,578.99
  5. Step 5: Solve for x
    x = 56,139,867,578.99/310,248.99
  6. Step 6: Final answer
    x = 180,951.01

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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.