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Finding the Fourth Proportional to 671,582.90, 926,753.40 and 365,658.36

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Solution

The fourth proportional to 671,582.90, 926,753.40 and 365,658.36 is: 504,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,582.90 : 926,753.40 = 365,658.36 : x
  2. Step 2: Convert to fraction form
    671,582.90/926,753.40 = 365,658.36/x
  3. Step 3: Cross multiply
    671,582.90x = 926,753.40 × 365,658.36
  4. Step 4: Simplify right side
    671,582.90x = 338,875,128,368.42
  5. Step 5: Solve for x
    x = 338,875,128,368.42/671,582.90
  6. Step 6: Final answer
    x = 504,591.66

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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.