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Finding the Fourth Proportional to 513,068.67, 708,035.73 and 286,714.17

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Solution

The fourth proportional to 513,068.67, 708,035.73 and 286,714.17 is: 395,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,068.67 : 708,035.73 = 286,714.17 : x
  2. Step 2: Convert to fraction form
    513,068.67/708,035.73 = 286,714.17/x
  3. Step 3: Cross multiply
    513,068.67x = 708,035.73 × 286,714.17
  4. Step 4: Simplify right side
    513,068.67x = 203,003,875,223.72
  5. Step 5: Solve for x
    x = 203,003,875,223.72/513,068.67
  6. Step 6: Final answer
    x = 395,666.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.