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Finding the Fourth Proportional to 302,191.83, 453,303.93 and 77,554.20

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Solution

The fourth proportional to 302,191.83, 453,303.93 and 77,554.20 is: 116,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,191.83 : 453,303.93 = 77,554.20 : x
  2. Step 2: Convert to fraction form
    302,191.83/453,303.93 = 77,554.20/x
  3. Step 3: Cross multiply
    302,191.83x = 453,303.93 × 77,554.20
  4. Step 4: Simplify right side
    302,191.83x = 35,155,623,648.01
  5. Step 5: Solve for x
    x = 35,155,623,648.01/302,191.83
  6. Step 6: Final answer
    x = 116,335.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.