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Finding the Fourth Proportional to 648,365.84, 972,674.82 and 248,977.26

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Solution

The fourth proportional to 648,365.84, 972,674.82 and 248,977.26 is: 373,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,365.84 : 972,674.82 = 248,977.26 : x
  2. Step 2: Convert to fraction form
    648,365.84/972,674.82 = 248,977.26/x
  3. Step 3: Cross multiply
    648,365.84x = 972,674.82 × 248,977.26
  4. Step 4: Simplify right side
    648,365.84x = 242,173,911,554.59
  5. Step 5: Solve for x
    x = 242,173,911,554.59/648,365.84
  6. Step 6: Final answer
    x = 373,514.30

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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.