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Finding the Fourth Proportional to 710,264.84, 980,165.43 and 383,577.82

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Solution

The fourth proportional to 710,264.84, 980,165.43 and 383,577.82 is: 529,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,264.84 : 980,165.43 = 383,577.82 : x
  2. Step 2: Convert to fraction form
    710,264.84/980,165.43 = 383,577.82/x
  3. Step 3: Cross multiply
    710,264.84x = 980,165.43 × 383,577.82
  4. Step 4: Simplify right side
    710,264.84x = 375,969,718,878.76
  5. Step 5: Solve for x
    x = 375,969,718,878.76/710,264.84
  6. Step 6: Final answer
    x = 529,337.37

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1.5x scale

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.