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Finding the Fourth Proportional to 574,866.12, 793,316 and 313,220.19

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Solution

The fourth proportional to 574,866.12, 793,316 and 313,220.19 is: 432,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,866.12 : 793,316 = 313,220.19 : x
  2. Step 2: Convert to fraction form
    574,866.12/793,316 = 313,220.19/x
  3. Step 3: Cross multiply
    574,866.12x = 793,316 × 313,220.19
  4. Step 4: Simplify right side
    574,866.12x = 248,482,588,250.04
  5. Step 5: Solve for x
    x = 248,482,588,250.04/574,866.12
  6. Step 6: Final answer
    x = 432,244.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.