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Finding the Fourth Proportional to 504,562.34, 696,464.76 and 300,677.20

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Solution

The fourth proportional to 504,562.34, 696,464.76 and 300,677.20 is: 415,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,562.34 : 696,464.76 = 300,677.20 : x
  2. Step 2: Convert to fraction form
    504,562.34/696,464.76 = 300,677.20/x
  3. Step 3: Cross multiply
    504,562.34x = 696,464.76 × 300,677.20
  4. Step 4: Simplify right side
    504,562.34x = 209,411,068,949.76
  5. Step 5: Solve for x
    x = 209,411,068,949.76/504,562.34
  6. Step 6: Final answer
    x = 415,035.08

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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.