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Finding the Fourth Proportional to 417,070.92, 575,553.54 and 233,307.12

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Solution

The fourth proportional to 417,070.92, 575,553.54 and 233,307.12 is: 321,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,070.92 : 575,553.54 = 233,307.12 : x
  2. Step 2: Convert to fraction form
    417,070.92/575,553.54 = 233,307.12/x
  3. Step 3: Cross multiply
    417,070.92x = 575,553.54 × 233,307.12
  4. Step 4: Simplify right side
    417,070.92x = 134,280,738,823.21
  5. Step 5: Solve for x
    x = 134,280,738,823.21/417,070.92
  6. Step 6: Final answer
    x = 321,961.40

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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.