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Finding the Fourth Proportional to 440,425.12, 607,794.64 and 249,478.16

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Solution

The fourth proportional to 440,425.12, 607,794.64 and 249,478.16 is: 344,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,425.12 : 607,794.64 = 249,478.16 : x
  2. Step 2: Convert to fraction form
    440,425.12/607,794.64 = 249,478.16/x
  3. Step 3: Cross multiply
    440,425.12x = 607,794.64 × 249,478.16
  4. Step 4: Simplify right side
    440,425.12x = 151,631,488,445.06
  5. Step 5: Solve for x
    x = 151,631,488,445.06/440,425.12
  6. Step 6: Final answer
    x = 344,284.38

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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.