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Finding the Fourth Proportional to 440,431.76, 607,775.48 and 249,446.52

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Solution

The fourth proportional to 440,431.76, 607,775.48 and 249,446.52 is: 344,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,431.76 : 607,775.48 = 249,446.52 : x
  2. Step 2: Convert to fraction form
    440,431.76/607,775.48 = 249,446.52/x
  3. Step 3: Cross multiply
    440,431.76x = 607,775.48 × 249,446.52
  4. Step 4: Simplify right side
    440,431.76x = 151,607,478,427.33
  5. Step 5: Solve for x
    x = 151,607,478,427.33/440,431.76
  6. Step 6: Final answer
    x = 344,224.67

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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.