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Finding the Fourth Proportional to 292,763.52, 403,865.28 and 185,152.32

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Solution

The fourth proportional to 292,763.52, 403,865.28 and 185,152.32 is: 255,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,763.52 : 403,865.28 = 185,152.32 : x
  2. Step 2: Convert to fraction form
    292,763.52/403,865.28 = 185,152.32/x
  3. Step 3: Cross multiply
    292,763.52x = 403,865.28 × 185,152.32
  4. Step 4: Simplify right side
    292,763.52x = 74,776,593,559.45
  5. Step 5: Solve for x
    x = 74,776,593,559.45/292,763.52
  6. Step 6: Final answer
    x = 255,416.36

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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.