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Finding the Fourth Proportional to 934,752, 1,289,957.76 and 532,381.44

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Solution

The fourth proportional to 934,752, 1,289,957.76 and 532,381.44 is: 734,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,752 : 1,289,957.76 = 532,381.44 : x
  2. Step 2: Convert to fraction form
    934,752/1,289,957.76 = 532,381.44/x
  3. Step 3: Cross multiply
    934,752x = 1,289,957.76 × 532,381.44
  4. Step 4: Simplify right side
    934,752x = 686,749,569,807.97
  5. Step 5: Solve for x
    x = 686,749,569,807.97/934,752
  6. Step 6: Final answer
    x = 734,686.39

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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.