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Finding the Fourth Proportional to 539,465.40, 744,463.71 and 294,452.35

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Solution

The fourth proportional to 539,465.40, 744,463.71 and 294,452.35 is: 406,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,465.40 : 744,463.71 = 294,452.35 : x
  2. Step 2: Convert to fraction form
    539,465.40/744,463.71 = 294,452.35/x
  3. Step 3: Cross multiply
    539,465.40x = 744,463.71 × 294,452.35
  4. Step 4: Simplify right side
    539,465.40x = 219,209,087,038.06
  5. Step 5: Solve for x
    x = 219,209,087,038.06/539,465.40
  6. Step 6: Final answer
    x = 406,345.04

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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.