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Finding the Fourth Proportional to 654,442.64, 903,119.95 and 364,050.73

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Solution

The fourth proportional to 654,442.64, 903,119.95 and 364,050.73 is: 502,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,442.64 : 903,119.95 = 364,050.73 : x
  2. Step 2: Convert to fraction form
    654,442.64/903,119.95 = 364,050.73/x
  3. Step 3: Cross multiply
    654,442.64x = 903,119.95 × 364,050.73
  4. Step 4: Simplify right side
    654,442.64x = 328,781,477,075.06
  5. Step 5: Solve for x
    x = 328,781,477,075.06/654,442.64
  6. Step 6: Final answer
    x = 502,383.95

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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.