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Finding the Fourth Proportional to 371,210.77, 512,271.19 and 201,444.89

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Solution

The fourth proportional to 371,210.77, 512,271.19 and 201,444.89 is: 277,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,210.77 : 512,271.19 = 201,444.89 : x
  2. Step 2: Convert to fraction form
    371,210.77/512,271.19 = 201,444.89/x
  3. Step 3: Cross multiply
    371,210.77x = 512,271.19 × 201,444.89
  4. Step 4: Simplify right side
    371,210.77x = 103,194,412,512.50
  5. Step 5: Solve for x
    x = 103,194,412,512.50/371,210.77
  6. Step 6: Final answer
    x = 277,994.13

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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.