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Finding the Fourth Proportional to 370,688.99, 511,605.45 and 234,735.35

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Solution

The fourth proportional to 370,688.99, 511,605.45 and 234,735.35 is: 323,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,688.99 : 511,605.45 = 234,735.35 : x
  2. Step 2: Convert to fraction form
    370,688.99/511,605.45 = 234,735.35/x
  3. Step 3: Cross multiply
    370,688.99x = 511,605.45 × 234,735.35
  4. Step 4: Simplify right side
    370,688.99x = 120,091,881,809.63
  5. Step 5: Solve for x
    x = 120,091,881,809.63/370,688.99
  6. Step 6: Final answer
    x = 323,969.38

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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.