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Finding the Fourth Proportional to 436,290.32, 601,878.57 and 255,009.89

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Solution

The fourth proportional to 436,290.32, 601,878.57 and 255,009.89 is: 351,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,290.32 : 601,878.57 = 255,009.89 : x
  2. Step 2: Convert to fraction form
    436,290.32/601,878.57 = 255,009.89/x
  3. Step 3: Cross multiply
    436,290.32x = 601,878.57 × 255,009.89
  4. Step 4: Simplify right side
    436,290.32x = 153,484,988,477.47
  5. Step 5: Solve for x
    x = 153,484,988,477.47/436,290.32
  6. Step 6: Final answer
    x = 351,795.54

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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.