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Finding the Fourth Proportional to 607,032.20, 910,329.60 and 307,413.20

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Solution

The fourth proportional to 607,032.20, 910,329.60 and 307,413.20 is: 461,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,032.20 : 910,329.60 = 307,413.20 : x
  2. Step 2: Convert to fraction form
    607,032.20/910,329.60 = 307,413.20/x
  3. Step 3: Cross multiply
    607,032.20x = 910,329.60 × 307,413.20
  4. Step 4: Simplify right side
    607,032.20x = 279,847,335,390.72
  5. Step 5: Solve for x
    x = 279,847,335,390.72/607,032.20
  6. Step 6: Final answer
    x = 461,009.05

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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.