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Finding the Fourth Proportional to 355,703.61, 533,516.12 and 89,464.23

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Solution

The fourth proportional to 355,703.61, 533,516.12 and 89,464.23 is: 134,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,703.61 : 533,516.12 = 89,464.23 : x
  2. Step 2: Convert to fraction form
    355,703.61/533,516.12 = 89,464.23/x
  3. Step 3: Cross multiply
    355,703.61x = 533,516.12 × 89,464.23
  4. Step 4: Simplify right side
    355,703.61x = 47,730,608,421.07
  5. Step 5: Solve for x
    x = 47,730,608,421.07/355,703.61
  6. Step 6: Final answer
    x = 134,186.46

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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.