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Finding the Fourth Proportional to 292,833.12, 404,308.08 and 185,498.40

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Solution

The fourth proportional to 292,833.12, 404,308.08 and 185,498.40 is: 256,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,833.12 : 404,308.08 = 185,498.40 : x
  2. Step 2: Convert to fraction form
    292,833.12/404,308.08 = 185,498.40/x
  3. Step 3: Cross multiply
    292,833.12x = 404,308.08 × 185,498.40
  4. Step 4: Simplify right side
    292,833.12x = 74,998,501,947.07
  5. Step 5: Solve for x
    x = 74,998,501,947.07/292,833.12
  6. Step 6: Final answer
    x = 256,113.45

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1.5x scale

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.