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Finding the Fourth Proportional to 361,875.60, 542,813.40 and 249,901.20

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Solution

The fourth proportional to 361,875.60, 542,813.40 and 249,901.20 is: 374,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,875.60 : 542,813.40 = 249,901.20 : x
  2. Step 2: Convert to fraction form
    361,875.60/542,813.40 = 249,901.20/x
  3. Step 3: Cross multiply
    361,875.60x = 542,813.40 × 249,901.20
  4. Step 4: Simplify right side
    361,875.60x = 135,649,720,036.08
  5. Step 5: Solve for x
    x = 135,649,720,036.08/361,875.60
  6. Step 6: Final answer
    x = 374,851.80

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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.