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Finding the Fourth Proportional to 586,159.67, 808,900.35 and 331,505.39

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Solution

The fourth proportional to 586,159.67, 808,900.35 and 331,505.39 is: 457,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,159.67 : 808,900.35 = 331,505.39 : x
  2. Step 2: Convert to fraction form
    586,159.67/808,900.35 = 331,505.39/x
  3. Step 3: Cross multiply
    586,159.67x = 808,900.35 × 331,505.39
  4. Step 4: Simplify right side
    586,159.67x = 268,154,825,997.89
  5. Step 5: Solve for x
    x = 268,154,825,997.89/586,159.67
  6. Step 6: Final answer
    x = 457,477.44

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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.