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Finding the Fourth Proportional to 546,009.60, 819,038.70 and 186,175.20

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Solution

The fourth proportional to 546,009.60, 819,038.70 and 186,175.20 is: 279,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,009.60 : 819,038.70 = 186,175.20 : x
  2. Step 2: Convert to fraction form
    546,009.60/819,038.70 = 186,175.20/x
  3. Step 3: Cross multiply
    546,009.60x = 819,038.70 × 186,175.20
  4. Step 4: Simplify right side
    546,009.60x = 152,484,693,780.24
  5. Step 5: Solve for x
    x = 152,484,693,780.24/546,009.60
  6. Step 6: Final answer
    x = 279,271.09

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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.