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Finding the Fourth Proportional to 657,567.84, 907,440.08 and 371,181.04

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Solution

The fourth proportional to 657,567.84, 907,440.08 and 371,181.04 is: 512,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,567.84 : 907,440.08 = 371,181.04 : x
  2. Step 2: Convert to fraction form
    657,567.84/907,440.08 = 371,181.04/x
  3. Step 3: Cross multiply
    657,567.84x = 907,440.08 × 371,181.04
  4. Step 4: Simplify right side
    657,567.84x = 336,824,552,632.08
  5. Step 5: Solve for x
    x = 336,824,552,632.08/657,567.84
  6. Step 6: Final answer
    x = 512,227.84

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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.