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Finding the Fourth Proportional to 433,148.99, 650,312.96 and 243,743.18

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Solution

The fourth proportional to 433,148.99, 650,312.96 and 243,743.18 is: 365,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,148.99 : 650,312.96 = 243,743.18 : x
  2. Step 2: Convert to fraction form
    433,148.99/650,312.96 = 243,743.18/x
  3. Step 3: Cross multiply
    433,148.99x = 650,312.96 × 243,743.18
  4. Step 4: Simplify right side
    433,148.99x = 158,509,348,865.61
  5. Step 5: Solve for x
    x = 158,509,348,865.61/433,148.99
  6. Step 6: Final answer
    x = 365,946.48

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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.