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Finding the Fourth Proportional to 357,615.77, 536,417.58 and 189,100.13

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Solution

The fourth proportional to 357,615.77, 536,417.58 and 189,100.13 is: 283,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,615.77 : 536,417.58 = 189,100.13 : x
  2. Step 2: Convert to fraction form
    357,615.77/536,417.58 = 189,100.13/x
  3. Step 3: Cross multiply
    357,615.77x = 536,417.58 × 189,100.13
  4. Step 4: Simplify right side
    357,615.77x = 101,436,634,112.29
  5. Step 5: Solve for x
    x = 101,436,634,112.29/357,615.77
  6. Step 6: Final answer
    x = 283,646.98

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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.