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Finding the Fourth Proportional to 310,897.60, 466,346.40 and 100,686.40

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Solution

The fourth proportional to 310,897.60, 466,346.40 and 100,686.40 is: 151,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,897.60 : 466,346.40 = 100,686.40 : x
  2. Step 2: Convert to fraction form
    310,897.60/466,346.40 = 100,686.40/x
  3. Step 3: Cross multiply
    310,897.60x = 466,346.40 × 100,686.40
  4. Step 4: Simplify right side
    310,897.60x = 46,954,740,168.96
  5. Step 5: Solve for x
    x = 46,954,740,168.96/310,897.60
  6. Step 6: Final answer
    x = 151,029.60

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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.