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Finding the Fourth Proportional to 575,039.83, 793,560.32 and 316,925.98

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Solution

The fourth proportional to 575,039.83, 793,560.32 and 316,925.98 is: 437,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,039.83 : 793,560.32 = 316,925.98 : x
  2. Step 2: Convert to fraction form
    575,039.83/793,560.32 = 316,925.98/x
  3. Step 3: Cross multiply
    575,039.83x = 793,560.32 × 316,925.98
  4. Step 4: Simplify right side
    575,039.83x = 251,499,880,913.53
  5. Step 5: Solve for x
    x = 251,499,880,913.53/575,039.83
  6. Step 6: Final answer
    x = 437,360.80

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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.