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Finding the Fourth Proportional to 533,387.40, 798,963.30 and 249,320.40

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Solution

The fourth proportional to 533,387.40, 798,963.30 and 249,320.40 is: 373,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,387.40 : 798,963.30 = 249,320.40 : x
  2. Step 2: Convert to fraction form
    533,387.40/798,963.30 = 249,320.40/x
  3. Step 3: Cross multiply
    533,387.40x = 798,963.30 × 249,320.40
  4. Step 4: Simplify right side
    533,387.40x = 199,197,849,541.32
  5. Step 5: Solve for x
    x = 199,197,849,541.32/533,387.40
  6. Step 6: Final answer
    x = 373,458.11

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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.