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Finding the Fourth Proportional to 527,065.62, 790,620.30 and 153,088.62

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Solution

The fourth proportional to 527,065.62, 790,620.30 and 153,088.62 is: 229,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,065.62 : 790,620.30 = 153,088.62 : x
  2. Step 2: Convert to fraction form
    527,065.62/790,620.30 = 153,088.62/x
  3. Step 3: Cross multiply
    527,065.62x = 790,620.30 × 153,088.62
  4. Step 4: Simplify right side
    527,065.62x = 121,034,970,670.99
  5. Step 5: Solve for x
    x = 121,034,970,670.99/527,065.62
  6. Step 6: Final answer
    x = 229,639.28

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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.