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Finding the Fourth Proportional to 302,054,543.10, 424,024,272.90 and 302,054,543.10

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Solution

The fourth proportional to 302,054,543.10, 424,024,272.90 and 302,054,543.10 is: 424,024,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,054,543.10 : 424,024,272.90 = 302,054,543.10 : x
  2. Step 2: Convert to fraction form
    302,054,543.10/424,024,272.90 = 302,054,543.10/x
  3. Step 3: Cross multiply
    302,054,543.10x = 424,024,272.90 × 302,054,543.10
  4. Step 4: Simplify right side
    302,054,543.10x = 128,078,458,014,119,216
  5. Step 5: Solve for x
    x = 128,078,458,014,119,216/302,054,543.10
  6. Step 6: Final answer
    x = 424,024,272.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.