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Finding the Fourth Proportional to 440,030.42, 607,137.90 and 249,043.81

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Solution

The fourth proportional to 440,030.42, 607,137.90 and 249,043.81 is: 343,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,030.42 : 607,137.90 = 249,043.81 : x
  2. Step 2: Convert to fraction form
    440,030.42/607,137.90 = 249,043.81/x
  3. Step 3: Cross multiply
    440,030.42x = 607,137.90 × 249,043.81
  4. Step 4: Simplify right side
    440,030.42x = 151,203,935,811.40
  5. Step 5: Solve for x
    x = 151,203,935,811.40/440,030.42
  6. Step 6: Final answer
    x = 343,621.55

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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.