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Finding the Fourth Proportional to 551,292.06, 760,385.43 and 506,113.50

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Solution

The fourth proportional to 551,292.06, 760,385.43 and 506,113.50 is: 698,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,292.06 : 760,385.43 = 506,113.50 : x
  2. Step 2: Convert to fraction form
    551,292.06/760,385.43 = 506,113.50/x
  3. Step 3: Cross multiply
    551,292.06x = 760,385.43 × 506,113.50
  4. Step 4: Simplify right side
    551,292.06x = 384,841,331,326.31
  5. Step 5: Solve for x
    x = 384,841,331,326.31/551,292.06
  6. Step 6: Final answer
    x = 698,071.60

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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.