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Finding the Fourth Proportional to 669,908, 924,244.20 and 415,166.24

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Solution

The fourth proportional to 669,908, 924,244.20 and 415,166.24 is: 572,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,908 : 924,244.20 = 415,166.24 : x
  2. Step 2: Convert to fraction form
    669,908/924,244.20 = 415,166.24/x
  3. Step 3: Cross multiply
    669,908x = 924,244.20 × 415,166.24
  4. Step 4: Simplify right side
    669,908x = 383,714,989,355.81
  5. Step 5: Solve for x
    x = 383,714,989,355.81/669,908
  6. Step 6: Final answer
    x = 572,787.59

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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.