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Finding the Fourth Proportional to 440,532.80, 607,915.64 and 249,542.32

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Solution

The fourth proportional to 440,532.80, 607,915.64 and 249,542.32 is: 344,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,532.80 : 607,915.64 = 249,542.32 : x
  2. Step 2: Convert to fraction form
    440,532.80/607,915.64 = 249,542.32/x
  3. Step 3: Cross multiply
    440,532.80x = 607,915.64 × 249,542.32
  4. Step 4: Simplify right side
    440,532.80x = 151,700,679,169.89
  5. Step 5: Solve for x
    x = 151,700,679,169.89/440,532.80
  6. Step 6: Final answer
    x = 344,357.29

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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.