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Finding the Fourth Proportional to 526,572.34, 726,667.64 and 284,854.32

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Solution

The fourth proportional to 526,572.34, 726,667.64 and 284,854.32 is: 393,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,572.34 : 726,667.64 = 284,854.32 : x
  2. Step 2: Convert to fraction form
    526,572.34/726,667.64 = 284,854.32/x
  3. Step 3: Cross multiply
    526,572.34x = 726,667.64 × 284,854.32
  4. Step 4: Simplify right side
    526,572.34x = 206,994,411,400.60
  5. Step 5: Solve for x
    x = 206,994,411,400.60/526,572.34
  6. Step 6: Final answer
    x = 393,097.77

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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.