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Finding the Fourth Proportional to 504,464.95, 696,127.93 and 289,575.19

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Solution

The fourth proportional to 504,464.95, 696,127.93 and 289,575.19 is: 399,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,464.95 : 696,127.93 = 289,575.19 : x
  2. Step 2: Convert to fraction form
    504,464.95/696,127.93 = 289,575.19/x
  3. Step 3: Cross multiply
    504,464.95x = 696,127.93 × 289,575.19
  4. Step 4: Simplify right side
    504,464.95x = 201,581,377,594.06
  5. Step 5: Solve for x
    x = 201,581,377,594.06/504,464.95
  6. Step 6: Final answer
    x = 399,594.42

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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.