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Finding the Fourth Proportional to 440,304.39, 607,728.96 and 249,430.32

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Solution

The fourth proportional to 440,304.39, 607,728.96 and 249,430.32 is: 344,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,304.39 : 607,728.96 = 249,430.32 : x
  2. Step 2: Convert to fraction form
    440,304.39/607,728.96 = 249,430.32/x
  3. Step 3: Cross multiply
    440,304.39x = 607,728.96 × 249,430.32
  4. Step 4: Simplify right side
    440,304.39x = 151,586,028,966.07
  5. Step 5: Solve for x
    x = 151,586,028,966.07/440,304.39
  6. Step 6: Final answer
    x = 344,275.53

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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.