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Finding the Fourth Proportional to 676,549.80, 933,639.08 and 370,637.24

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Solution

The fourth proportional to 676,549.80, 933,639.08 and 370,637.24 is: 511,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,549.80 : 933,639.08 = 370,637.24 : x
  2. Step 2: Convert to fraction form
    676,549.80/933,639.08 = 370,637.24/x
  3. Step 3: Cross multiply
    676,549.80x = 933,639.08 × 370,637.24
  4. Step 4: Simplify right side
    676,549.80x = 346,041,405,245.96
  5. Step 5: Solve for x
    x = 346,041,405,245.96/676,549.80
  6. Step 6: Final answer
    x = 511,479.58

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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.