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Finding the Fourth Proportional to 292,637.83, 438,956.76 and 82,275.76

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Solution

The fourth proportional to 292,637.83, 438,956.76 and 82,275.76 is: 123,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,637.83 : 438,956.76 = 82,275.76 : x
  2. Step 2: Convert to fraction form
    292,637.83/438,956.76 = 82,275.76/x
  3. Step 3: Cross multiply
    292,637.83x = 438,956.76 × 82,275.76
  4. Step 4: Simplify right side
    292,637.83x = 36,115,501,036.14
  5. Step 5: Solve for x
    x = 36,115,501,036.14/292,637.83
  6. Step 6: Final answer
    x = 123,413.64

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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.