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Finding the Fourth Proportional to 292,005.36, 402,977.04 and 169,488.30

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Solution

The fourth proportional to 292,005.36, 402,977.04 and 169,488.30 is: 233,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,005.36 : 402,977.04 = 169,488.30 : x
  2. Step 2: Convert to fraction form
    292,005.36/402,977.04 = 169,488.30/x
  3. Step 3: Cross multiply
    292,005.36x = 402,977.04 × 169,488.30
  4. Step 4: Simplify right side
    292,005.36x = 68,299,893,448.63
  5. Step 5: Solve for x
    x = 68,299,893,448.63/292,005.36
  6. Step 6: Final answer
    x = 233,899.45

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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.