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Finding the Fourth Proportional to 527,158.35, 790,730.54 and 127,802.73

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Solution

The fourth proportional to 527,158.35, 790,730.54 and 127,802.73 is: 191,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,158.35 : 790,730.54 = 127,802.73 : x
  2. Step 2: Convert to fraction form
    527,158.35/790,730.54 = 127,802.73/x
  3. Step 3: Cross multiply
    527,158.35x = 790,730.54 × 127,802.73
  4. Step 4: Simplify right side
    527,158.35x = 101,057,521,706.37
  5. Step 5: Solve for x
    x = 101,057,521,706.37/527,158.35
  6. Step 6: Final answer
    x = 191,702.40

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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.