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Finding the Fourth Proportional to 341,641.60, 512,030.40 and 130,998.40

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Solution

The fourth proportional to 341,641.60, 512,030.40 and 130,998.40 is: 196,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,641.60 : 512,030.40 = 130,998.40 : x
  2. Step 2: Convert to fraction form
    341,641.60/512,030.40 = 130,998.40/x
  3. Step 3: Cross multiply
    341,641.60x = 512,030.40 × 130,998.40
  4. Step 4: Simplify right side
    341,641.60x = 67,075,163,151.36
  5. Step 5: Solve for x
    x = 67,075,163,151.36/341,641.60
  6. Step 6: Final answer
    x = 196,331.95

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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.