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Finding the Fourth Proportional to 539,271.84, 744,210.70 and 297,569.98

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Solution

The fourth proportional to 539,271.84, 744,210.70 and 297,569.98 is: 410,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,271.84 : 744,210.70 = 297,569.98 : x
  2. Step 2: Convert to fraction form
    539,271.84/744,210.70 = 297,569.98/x
  3. Step 3: Cross multiply
    539,271.84x = 744,210.70 × 297,569.98
  4. Step 4: Simplify right side
    539,271.84x = 221,454,763,114.79
  5. Step 5: Solve for x
    x = 221,454,763,114.79/539,271.84
  6. Step 6: Final answer
    x = 410,655.16

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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.