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Finding the Fourth Proportional to 440,530.80, 607,912.88 and 249,540.32

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Solution

The fourth proportional to 440,530.80, 607,912.88 and 249,540.32 is: 344,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,530.80 : 607,912.88 = 249,540.32 : x
  2. Step 2: Convert to fraction form
    440,530.80/607,912.88 = 249,540.32/x
  3. Step 3: Cross multiply
    440,530.80x = 607,912.88 × 249,540.32
  4. Step 4: Simplify right side
    440,530.80x = 151,698,774,607.32
  5. Step 5: Solve for x
    x = 151,698,774,607.32/440,530.80
  6. Step 6: Final answer
    x = 344,354.53

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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.