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Finding the Fourth Proportional to 594,001.80, 819,507.06 and 390,162.96

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Solution

The fourth proportional to 594,001.80, 819,507.06 and 390,162.96 is: 538,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,001.80 : 819,507.06 = 390,162.96 : x
  2. Step 2: Convert to fraction form
    594,001.80/819,507.06 = 390,162.96/x
  3. Step 3: Cross multiply
    594,001.80x = 819,507.06 × 390,162.96
  4. Step 4: Simplify right side
    594,001.80x = 319,741,300,270.50
  5. Step 5: Solve for x
    x = 319,741,300,270.50/594,001.80
  6. Step 6: Final answer
    x = 538,283.39

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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.