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Finding the Fourth Proportional to 654,763.70, 903,567.39 and 364,370.32

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Solution

The fourth proportional to 654,763.70, 903,567.39 and 364,370.32 is: 502,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,763.70 : 903,567.39 = 364,370.32 : x
  2. Step 2: Convert to fraction form
    654,763.70/903,567.39 = 364,370.32/x
  3. Step 3: Cross multiply
    654,763.70x = 903,567.39 × 364,370.32
  4. Step 4: Simplify right side
    654,763.70x = 329,233,136,776.95
  5. Step 5: Solve for x
    x = 329,233,136,776.95/654,763.70
  6. Step 6: Final answer
    x = 502,827.41

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Double scale
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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.