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Finding the Fourth Proportional to 382,648.60, 573,316.80 and 249,460.30

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Solution

The fourth proportional to 382,648.60, 573,316.80 and 249,460.30 is: 373,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,648.60 : 573,316.80 = 249,460.30 : x
  2. Step 2: Convert to fraction form
    382,648.60/573,316.80 = 249,460.30/x
  3. Step 3: Cross multiply
    382,648.60x = 573,316.80 × 249,460.30
  4. Step 4: Simplify right side
    382,648.60x = 143,019,780,923.04
  5. Step 5: Solve for x
    x = 143,019,780,923.04/382,648.60
  6. Step 6: Final answer
    x = 373,762.72

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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.