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Finding the Fourth Proportional to 532,044.36, 734,220.90 and 305,689.32

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Solution

The fourth proportional to 532,044.36, 734,220.90 and 305,689.32 is: 421,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,044.36 : 734,220.90 = 305,689.32 : x
  2. Step 2: Convert to fraction form
    532,044.36/734,220.90 = 305,689.32/x
  3. Step 3: Cross multiply
    532,044.36x = 734,220.90 × 305,689.32
  4. Step 4: Simplify right side
    532,044.36x = 224,443,487,650.79
  5. Step 5: Solve for x
    x = 224,443,487,650.79/532,044.36
  6. Step 6: Final answer
    x = 421,851.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.