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Finding the Fourth Proportional to 382,036.45, 572,980.56 and 363,070.30

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Solution

The fourth proportional to 382,036.45, 572,980.56 and 363,070.30 is: 544,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,036.45 : 572,980.56 = 363,070.30 : x
  2. Step 2: Convert to fraction form
    382,036.45/572,980.56 = 363,070.30/x
  3. Step 3: Cross multiply
    382,036.45x = 572,980.56 × 363,070.30
  4. Step 4: Simplify right side
    382,036.45x = 208,032,223,813.37
  5. Step 5: Solve for x
    x = 208,032,223,813.37/382,036.45
  6. Step 6: Final answer
    x = 544,535.01

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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.