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Finding the Fourth Proportional to 259,000.61, 357,437.30 and 157,035.83

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Solution

The fourth proportional to 259,000.61, 357,437.30 and 157,035.83 is: 216,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,000.61 : 357,437.30 = 157,035.83 : x
  2. Step 2: Convert to fraction form
    259,000.61/357,437.30 = 157,035.83/x
  3. Step 3: Cross multiply
    259,000.61x = 357,437.30 × 157,035.83
  4. Step 4: Simplify right side
    259,000.61x = 56,130,460,506.09
  5. Step 5: Solve for x
    x = 56,130,460,506.09/259,000.61
  6. Step 6: Final answer
    x = 216,719.42

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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.