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Finding the Fourth Proportional to 526,522.40, 726,538.28 and 297,066.46

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Solution

The fourth proportional to 526,522.40, 726,538.28 and 297,066.46 is: 409,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,522.40 : 726,538.28 = 297,066.46 : x
  2. Step 2: Convert to fraction form
    526,522.40/726,538.28 = 297,066.46/x
  3. Step 3: Cross multiply
    526,522.40x = 726,538.28 × 297,066.46
  4. Step 4: Simplify right side
    526,522.40x = 215,830,154,894.09
  5. Step 5: Solve for x
    x = 215,830,154,894.09/526,522.40
  6. Step 6: Final answer
    x = 409,916.38

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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.