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Finding the Fourth Proportional to 610,482.63, 842,466.03 and 342,210.63

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Solution

The fourth proportional to 610,482.63, 842,466.03 and 342,210.63 is: 472,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,482.63 : 842,466.03 = 342,210.63 : x
  2. Step 2: Convert to fraction form
    610,482.63/842,466.03 = 342,210.63/x
  3. Step 3: Cross multiply
    610,482.63x = 842,466.03 × 342,210.63
  4. Step 4: Simplify right side
    610,482.63x = 288,300,830,879.90
  5. Step 5: Solve for x
    x = 288,300,830,879.90/610,482.63
  6. Step 6: Final answer
    x = 472,250.67

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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.