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Finding the Fourth Proportional to 328,654.98, 453,557.61 and 207,752.76

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Solution

The fourth proportional to 328,654.98, 453,557.61 and 207,752.76 is: 286,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,654.98 : 453,557.61 = 207,752.76 : x
  2. Step 2: Convert to fraction form
    328,654.98/453,557.61 = 207,752.76/x
  3. Step 3: Cross multiply
    328,654.98x = 453,557.61 × 207,752.76
  4. Step 4: Simplify right side
    328,654.98x = 94,227,845,296.50
  5. Step 5: Solve for x
    x = 94,227,845,296.50/328,654.98
  6. Step 6: Final answer
    x = 286,707.49

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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.