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Finding the Fourth Proportional to 592,837.60, 889,256.40 and 260,413.60

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Solution

The fourth proportional to 592,837.60, 889,256.40 and 260,413.60 is: 390,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,837.60 : 889,256.40 = 260,413.60 : x
  2. Step 2: Convert to fraction form
    592,837.60/889,256.40 = 260,413.60/x
  3. Step 3: Cross multiply
    592,837.60x = 889,256.40 × 260,413.60
  4. Step 4: Simplify right side
    592,837.60x = 231,574,460,447.04
  5. Step 5: Solve for x
    x = 231,574,460,447.04/592,837.60
  6. Step 6: Final answer
    x = 390,620.40

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Double scale
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Similar ratio
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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.