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Finding the Fourth Proportional to 934,564, 1,402,844.08 and 402,348.96

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Solution

The fourth proportional to 934,564, 1,402,844.08 and 402,348.96 is: 603,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,564 : 1,402,844.08 = 402,348.96 : x
  2. Step 2: Convert to fraction form
    934,564/1,402,844.08 = 402,348.96/x
  3. Step 3: Cross multiply
    934,564x = 1,402,844.08 × 402,348.96
  4. Step 4: Simplify right side
    934,564x = 564,432,856,630.16
  5. Step 5: Solve for x
    x = 564,432,856,630.16/934,564
  6. Step 6: Final answer
    x = 603,953.13

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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.