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Finding the Fourth Proportional to 370,585.94, 511,210.98 and 225,436.10

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Solution

The fourth proportional to 370,585.94, 511,210.98 and 225,436.10 is: 310,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,585.94 : 511,210.98 = 225,436.10 : x
  2. Step 2: Convert to fraction form
    370,585.94/511,210.98 = 225,436.10/x
  3. Step 3: Cross multiply
    370,585.94x = 511,210.98 × 225,436.10
  4. Step 4: Simplify right side
    370,585.94x = 115,245,409,608.38
  5. Step 5: Solve for x
    x = 115,245,409,608.38/370,585.94
  6. Step 6: Final answer
    x = 310,981.60

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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.