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Finding the Fourth Proportional to 440,505.76, 607,878.48 and 249,515.32

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Solution

The fourth proportional to 440,505.76, 607,878.48 and 249,515.32 is: 344,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,505.76 : 607,878.48 = 249,515.32 : x
  2. Step 2: Convert to fraction form
    440,505.76/607,878.48 = 249,515.32/x
  3. Step 3: Cross multiply
    440,505.76x = 607,878.48 × 249,515.32
  4. Step 4: Simplify right side
    440,505.76x = 151,674,993,458.31
  5. Step 5: Solve for x
    x = 151,674,993,458.31/440,505.76
  6. Step 6: Final answer
    x = 344,320.11

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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.