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Finding the Fourth Proportional to 669,795.64, 924,314.32 and 363,869.60

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Solution

The fourth proportional to 669,795.64, 924,314.32 and 363,869.60 is: 502,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,795.64 : 924,314.32 = 363,869.60 : x
  2. Step 2: Convert to fraction form
    669,795.64/924,314.32 = 363,869.60/x
  3. Step 3: Cross multiply
    669,795.64x = 924,314.32 × 363,869.60
  4. Step 4: Simplify right side
    669,795.64x = 336,329,881,892.67
  5. Step 5: Solve for x
    x = 336,329,881,892.67/669,795.64
  6. Step 6: Final answer
    x = 502,138.06

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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.