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Finding the Fourth Proportional to 370,300.59, 511,101.18 and 262,904.31

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Solution

The fourth proportional to 370,300.59, 511,101.18 and 262,904.31 is: 362,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,300.59 : 511,101.18 = 262,904.31 : x
  2. Step 2: Convert to fraction form
    370,300.59/511,101.18 = 262,904.31/x
  3. Step 3: Cross multiply
    370,300.59x = 511,101.18 × 262,904.31
  4. Step 4: Simplify right side
    370,300.59x = 134,370,703,068.09
  5. Step 5: Solve for x
    x = 134,370,703,068.09/370,300.59
  6. Step 6: Final answer
    x = 362,869.27

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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.