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Finding the Fourth Proportional to 346,237.48, 519,413.64 and 121,539.64

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Solution

The fourth proportional to 346,237.48, 519,413.64 and 121,539.64 is: 182,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,237.48 : 519,413.64 = 121,539.64 : x
  2. Step 2: Convert to fraction form
    346,237.48/519,413.64 = 121,539.64/x
  3. Step 3: Cross multiply
    346,237.48x = 519,413.64 × 121,539.64
  4. Step 4: Simplify right side
    346,237.48x = 63,129,346,816.69
  5. Step 5: Solve for x
    x = 63,129,346,816.69/346,237.48
  6. Step 6: Final answer
    x = 182,329.62

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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.