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Finding the Fourth Proportional to 522,275.85, 783,413.64 and 344,741.27

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Solution

The fourth proportional to 522,275.85, 783,413.64 and 344,741.27 is: 517,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,275.85 : 783,413.64 = 344,741.27 : x
  2. Step 2: Convert to fraction form
    522,275.85/783,413.64 = 344,741.27/x
  3. Step 3: Cross multiply
    522,275.85x = 783,413.64 × 344,741.27
  4. Step 4: Simplify right side
    522,275.85x = 270,075,009,271.86
  5. Step 5: Solve for x
    x = 270,075,009,271.86/522,275.85
  6. Step 6: Final answer
    x = 517,111.81

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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.