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Finding the Fourth Proportional to 407,415.32, 610,237.38 and 249,165.08

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Solution

The fourth proportional to 407,415.32, 610,237.38 and 249,165.08 is: 373,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,415.32 : 610,237.38 = 249,165.08 : x
  2. Step 2: Convert to fraction form
    407,415.32/610,237.38 = 249,165.08/x
  3. Step 3: Cross multiply
    407,415.32x = 610,237.38 × 249,165.08
  4. Step 4: Simplify right side
    407,415.32x = 152,049,845,606.69
  5. Step 5: Solve for x
    x = 152,049,845,606.69/407,415.32
  6. Step 6: Final answer
    x = 373,206.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.