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Finding the Fourth Proportional to 669,841.64, 924,152.84 and 415,099.88

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Solution

The fourth proportional to 669,841.64, 924,152.84 and 415,099.88 is: 572,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,841.64 : 924,152.84 = 415,099.88 : x
  2. Step 2: Convert to fraction form
    669,841.64/924,152.84 = 415,099.88/x
  3. Step 3: Cross multiply
    669,841.64x = 924,152.84 × 415,099.88
  4. Step 4: Simplify right side
    669,841.64x = 383,615,732,985.66
  5. Step 5: Solve for x
    x = 383,615,732,985.66/669,841.64
  6. Step 6: Final answer
    x = 572,696.16

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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.