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Finding the Fourth Proportional to 288,623.05, 432,934.58 and 288,623.05

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Solution

The fourth proportional to 288,623.05, 432,934.58 and 288,623.05 is: 432,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,623.05 : 432,934.58 = 288,623.05 : x
  2. Step 2: Convert to fraction form
    288,623.05/432,934.58 = 288,623.05/x
  3. Step 3: Cross multiply
    288,623.05x = 432,934.58 × 288,623.05
  4. Step 4: Simplify right side
    288,623.05x = 124,954,897,486.95
  5. Step 5: Solve for x
    x = 124,954,897,486.95/288,623.05
  6. Step 6: Final answer
    x = 432,934.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.