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Finding the Fourth Proportional to 653,384.46, 901,681.17 and 363,014.76

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Solution

The fourth proportional to 653,384.46, 901,681.17 and 363,014.76 is: 500,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,384.46 : 901,681.17 = 363,014.76 : x
  2. Step 2: Convert to fraction form
    653,384.46/901,681.17 = 363,014.76/x
  3. Step 3: Cross multiply
    653,384.46x = 901,681.17 × 363,014.76
  4. Step 4: Simplify right side
    653,384.46x = 327,323,573,524.07
  5. Step 5: Solve for x
    x = 327,323,573,524.07/653,384.46
  6. Step 6: Final answer
    x = 500,966.27

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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.