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Finding the Fourth Proportional to 520,676.04, 780,307.50 and 236,011.08

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Solution

The fourth proportional to 520,676.04, 780,307.50 and 236,011.08 is: 353,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,676.04 : 780,307.50 = 236,011.08 : x
  2. Step 2: Convert to fraction form
    520,676.04/780,307.50 = 236,011.08/x
  3. Step 3: Cross multiply
    520,676.04x = 780,307.50 × 236,011.08
  4. Step 4: Simplify right side
    520,676.04x = 184,161,215,807.10
  5. Step 5: Solve for x
    x = 184,161,215,807.10/520,676.04
  6. Step 6: Final answer
    x = 353,696.35

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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.