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Finding the Fourth Proportional to 569,041.22, 785,030.18 and 342,555.50

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Solution

The fourth proportional to 569,041.22, 785,030.18 and 342,555.50 is: 472,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,041.22 : 785,030.18 = 342,555.50 : x
  2. Step 2: Convert to fraction form
    569,041.22/785,030.18 = 342,555.50/x
  3. Step 3: Cross multiply
    569,041.22x = 785,030.18 × 342,555.50
  4. Step 4: Simplify right side
    569,041.22x = 268,916,405,824.99
  5. Step 5: Solve for x
    x = 268,916,405,824.99/569,041.22
  6. Step 6: Final answer
    x = 472,578.08

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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.