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Finding the Fourth Proportional to 637,019.73, 879,123.51 and 365,132.84

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Solution

The fourth proportional to 637,019.73, 879,123.51 and 365,132.84 is: 503,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,019.73 : 879,123.51 = 365,132.84 : x
  2. Step 2: Convert to fraction form
    637,019.73/879,123.51 = 365,132.84/x
  3. Step 3: Cross multiply
    637,019.73x = 879,123.51 × 365,132.84
  4. Step 4: Simplify right side
    637,019.73x = 320,996,859,521.45
  5. Step 5: Solve for x
    x = 320,996,859,521.45/637,019.73
  6. Step 6: Final answer
    x = 503,904.11

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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.