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Finding the Fourth Proportional to 508,878.12, 763,667.07 and 176,454.12

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Solution

The fourth proportional to 508,878.12, 763,667.07 and 176,454.12 is: 264,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,878.12 : 763,667.07 = 176,454.12 : x
  2. Step 2: Convert to fraction form
    508,878.12/763,667.07 = 176,454.12/x
  3. Step 3: Cross multiply
    508,878.12x = 763,667.07 × 176,454.12
  4. Step 4: Simplify right side
    508,878.12x = 134,752,200,809.83
  5. Step 5: Solve for x
    x = 134,752,200,809.83/508,878.12
  6. Step 6: Final answer
    x = 264,802.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.