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Finding the Fourth Proportional to 554,973.76, 832,123.54 and 217,610.22

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Solution

The fourth proportional to 554,973.76, 832,123.54 and 217,610.22 is: 326,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,973.76 : 832,123.54 = 217,610.22 : x
  2. Step 2: Convert to fraction form
    554,973.76/832,123.54 = 217,610.22/x
  3. Step 3: Cross multiply
    554,973.76x = 832,123.54 × 217,610.22
  4. Step 4: Simplify right side
    554,973.76x = 181,078,584,094.30
  5. Step 5: Solve for x
    x = 181,078,584,094.30/554,973.76
  6. Step 6: Final answer
    x = 326,283.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.