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Finding the Fourth Proportional to 524,319.65, 726,300.98 and 513,690.83

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Solution

The fourth proportional to 524,319.65, 726,300.98 and 513,690.83 is: 711,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,319.65 : 726,300.98 = 513,690.83 : x
  2. Step 2: Convert to fraction form
    524,319.65/726,300.98 = 513,690.83/x
  3. Step 3: Cross multiply
    524,319.65x = 726,300.98 × 513,690.83
  4. Step 4: Simplify right side
    524,319.65x = 373,094,151,696.02
  5. Step 5: Solve for x
    x = 373,094,151,696.02/524,319.65
  6. Step 6: Final answer
    x = 711,577.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.