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Finding the Fourth Proportional to 504,562.59, 696,465.10 and 300,677.45

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Solution

The fourth proportional to 504,562.59, 696,465.10 and 300,677.45 is: 415,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,562.59 : 696,465.10 = 300,677.45 : x
  2. Step 2: Convert to fraction form
    504,562.59/696,465.10 = 300,677.45/x
  3. Step 3: Cross multiply
    504,562.59x = 696,465.10 × 300,677.45
  4. Step 4: Simplify right side
    504,562.59x = 209,411,346,047.98
  5. Step 5: Solve for x
    x = 209,411,346,047.98/504,562.59
  6. Step 6: Final answer
    x = 415,035.42

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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.