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Finding the Fourth Proportional to 659,818.17, 910,548.45 and 358,012.17

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Solution

The fourth proportional to 659,818.17, 910,548.45 and 358,012.17 is: 494,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,818.17 : 910,548.45 = 358,012.17 : x
  2. Step 2: Convert to fraction form
    659,818.17/910,548.45 = 358,012.17/x
  3. Step 3: Cross multiply
    659,818.17x = 910,548.45 × 358,012.17
  4. Step 4: Simplify right side
    659,818.17x = 325,987,426,474.64
  5. Step 5: Solve for x
    x = 325,987,426,474.64/659,818.17
  6. Step 6: Final answer
    x = 494,056.46

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Double scale
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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.