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Finding the Fourth Proportional to 310,907.60, 466,015.80 and 133,384.40

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Solution

The fourth proportional to 310,907.60, 466,015.80 and 133,384.40 is: 199,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,907.60 : 466,015.80 = 133,384.40 : x
  2. Step 2: Convert to fraction form
    310,907.60/466,015.80 = 133,384.40/x
  3. Step 3: Cross multiply
    310,907.60x = 466,015.80 × 133,384.40
  4. Step 4: Simplify right side
    310,907.60x = 62,159,237,873.52
  5. Step 5: Solve for x
    x = 62,159,237,873.52/310,907.60
  6. Step 6: Final answer
    x = 199,928.33

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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.