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Finding the Fourth Proportional to 292,460.80, 403,205.52 and 219,555.04

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Solution

The fourth proportional to 292,460.80, 403,205.52 and 219,555.04 is: 302,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,460.80 : 403,205.52 = 219,555.04 : x
  2. Step 2: Convert to fraction form
    292,460.80/403,205.52 = 219,555.04/x
  3. Step 3: Cross multiply
    292,460.80x = 403,205.52 × 219,555.04
  4. Step 4: Simplify right side
    292,460.80x = 88,525,804,071.82
  5. Step 5: Solve for x
    x = 88,525,804,071.82/292,460.80
  6. Step 6: Final answer
    x = 302,692.89

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1.5x scale

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.