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Finding the Fourth Proportional to 334,421.35, 501,632.03 and 156,946.30

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Solution

The fourth proportional to 334,421.35, 501,632.03 and 156,946.30 is: 235,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,421.35 : 501,632.03 = 156,946.30 : x
  2. Step 2: Convert to fraction form
    334,421.35/501,632.03 = 156,946.30/x
  3. Step 3: Cross multiply
    334,421.35x = 501,632.03 × 156,946.30
  4. Step 4: Simplify right side
    334,421.35x = 78,729,291,069.99
  5. Step 5: Solve for x
    x = 78,729,291,069.99/334,421.35
  6. Step 6: Final answer
    x = 235,419.45

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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.