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Finding the Fourth Proportional to 567,510.12, 783,202.84 and 346,842.28

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Solution

The fourth proportional to 567,510.12, 783,202.84 and 346,842.28 is: 478,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,510.12 : 783,202.84 = 346,842.28 : x
  2. Step 2: Convert to fraction form
    567,510.12/783,202.84 = 346,842.28/x
  3. Step 3: Cross multiply
    567,510.12x = 783,202.84 × 346,842.28
  4. Step 4: Simplify right side
    567,510.12x = 271,647,858,728.08
  5. Step 5: Solve for x
    x = 271,647,858,728.08/567,510.12
  6. Step 6: Final answer
    x = 478,666.11

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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.