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Finding the Fourth Proportional to 570,111.54, 854,926.74 and 170,809.08

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Solution

The fourth proportional to 570,111.54, 854,926.74 and 170,809.08 is: 256,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,111.54 : 854,926.74 = 170,809.08 : x
  2. Step 2: Convert to fraction form
    570,111.54/854,926.74 = 170,809.08/x
  3. Step 3: Cross multiply
    570,111.54x = 854,926.74 × 170,809.08
  4. Step 4: Simplify right side
    570,111.54x = 146,029,249,926.80
  5. Step 5: Solve for x
    x = 146,029,249,926.80/570,111.54
  6. Step 6: Final answer
    x = 256,141.54

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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.