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Finding the Fourth Proportional to 850,386.92, 1,173,534 and 468,413.70

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Solution

The fourth proportional to 850,386.92, 1,173,534 and 468,413.70 is: 646,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,386.92 : 1,173,534 = 468,413.70 : x
  2. Step 2: Convert to fraction form
    850,386.92/1,173,534 = 468,413.70/x
  3. Step 3: Cross multiply
    850,386.92x = 1,173,534 × 468,413.70
  4. Step 4: Simplify right side
    850,386.92x = 549,699,403,015.80
  5. Step 5: Solve for x
    x = 549,699,403,015.80/850,386.92
  6. Step 6: Final answer
    x = 646,410.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.