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Finding the Fourth Proportional to 519,117.80, 779,114.10 and 235,245.20

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Solution

The fourth proportional to 519,117.80, 779,114.10 and 235,245.20 is: 353,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,117.80 : 779,114.10 = 235,245.20 : x
  2. Step 2: Convert to fraction form
    519,117.80/779,114.10 = 235,245.20/x
  3. Step 3: Cross multiply
    519,117.80x = 779,114.10 × 235,245.20
  4. Step 4: Simplify right side
    519,117.80x = 183,282,852,277.32
  5. Step 5: Solve for x
    x = 183,282,852,277.32/519,117.80
  6. Step 6: Final answer
    x = 353,066.01

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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.