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Finding the Fourth Proportional to 575,041.48, 793,692.45 and 357,414.50

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Solution

The fourth proportional to 575,041.48, 793,692.45 and 357,414.50 is: 493,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,041.48 : 793,692.45 = 357,414.50 : x
  2. Step 2: Convert to fraction form
    575,041.48/793,692.45 = 357,414.50/x
  3. Step 3: Cross multiply
    575,041.48x = 793,692.45 × 357,414.50
  4. Step 4: Simplify right side
    575,041.48x = 283,677,190,170.53
  5. Step 5: Solve for x
    x = 283,677,190,170.53/575,041.48
  6. Step 6: Final answer
    x = 493,316.05

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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.