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Finding the Fourth Proportional to 346,352.40, 519,139.80 and 177,807.60

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Solution

The fourth proportional to 346,352.40, 519,139.80 and 177,807.60 is: 266,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,352.40 : 519,139.80 = 177,807.60 : x
  2. Step 2: Convert to fraction form
    346,352.40/519,139.80 = 177,807.60/x
  3. Step 3: Cross multiply
    346,352.40x = 519,139.80 × 177,807.60
  4. Step 4: Simplify right side
    346,352.40x = 92,307,001,902.48
  5. Step 5: Solve for x
    x = 92,307,001,902.48/346,352.40
  6. Step 6: Final answer
    x = 266,511.80

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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.