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Finding the Fourth Proportional to 569,761.80, 854,642.70 and 370,307.40

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Solution

The fourth proportional to 569,761.80, 854,642.70 and 370,307.40 is: 555,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,761.80 : 854,642.70 = 370,307.40 : x
  2. Step 2: Convert to fraction form
    569,761.80/854,642.70 = 370,307.40/x
  3. Step 3: Cross multiply
    569,761.80x = 854,642.70 × 370,307.40
  4. Step 4: Simplify right side
    569,761.80x = 316,480,516,165.98
  5. Step 5: Solve for x
    x = 316,480,516,165.98/569,761.80
  6. Step 6: Final answer
    x = 555,461.10

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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.