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Finding the Fourth Proportional to 630,159.40, 945,234.23 and 156,841.57

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Solution

The fourth proportional to 630,159.40, 945,234.23 and 156,841.57 is: 235,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,159.40 : 945,234.23 = 156,841.57 : x
  2. Step 2: Convert to fraction form
    630,159.40/945,234.23 = 156,841.57/x
  3. Step 3: Cross multiply
    630,159.40x = 945,234.23 × 156,841.57
  4. Step 4: Simplify right side
    630,159.40x = 148,252,017,694.47
  5. Step 5: Solve for x
    x = 148,252,017,694.47/630,159.40
  6. Step 6: Final answer
    x = 235,261.14

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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.