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Finding the Fourth Proportional to 371,110.68, 512,130.60 and 201,341.16

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Solution

The fourth proportional to 371,110.68, 512,130.60 and 201,341.16 is: 277,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,110.68 : 512,130.60 = 201,341.16 : x
  2. Step 2: Convert to fraction form
    371,110.68/512,130.60 = 201,341.16/x
  3. Step 3: Cross multiply
    371,110.68x = 512,130.60 × 201,341.16
  4. Step 4: Simplify right side
    371,110.68x = 103,112,969,075.50
  5. Step 5: Solve for x
    x = 103,112,969,075.50/371,110.68
  6. Step 6: Final answer
    x = 277,849.64

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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.