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Finding the Fourth Proportional to 433,148.75, 650,312.58 and 243,742.93

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Solution

The fourth proportional to 433,148.75, 650,312.58 and 243,742.93 is: 365,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,148.75 : 650,312.58 = 243,742.93 : x
  2. Step 2: Convert to fraction form
    433,148.75/650,312.58 = 243,742.93/x
  3. Step 3: Cross multiply
    433,148.75x = 650,312.58 × 243,742.93
  4. Step 4: Simplify right side
    433,148.75x = 158,509,092,039.28
  5. Step 5: Solve for x
    x = 158,509,092,039.28/433,148.75
  6. Step 6: Final answer
    x = 365,946.10

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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.