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Finding the Fourth Proportional to 476,900.20, 716,516.70 and 358,802.20

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Solution

The fourth proportional to 476,900.20, 716,516.70 and 358,802.20 is: 539,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,900.20 : 716,516.70 = 358,802.20 : x
  2. Step 2: Convert to fraction form
    476,900.20/716,516.70 = 358,802.20/x
  3. Step 3: Cross multiply
    476,900.20x = 716,516.70 × 358,802.20
  4. Step 4: Simplify right side
    476,900.20x = 257,087,768,296.74
  5. Step 5: Solve for x
    x = 257,087,768,296.74/476,900.20
  6. Step 6: Final answer
    x = 539,080.86

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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.