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Finding the Fourth Proportional to 562,425.64, 776,156.70 and 401,554.16

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Solution

The fourth proportional to 562,425.64, 776,156.70 and 401,554.16 is: 554,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,425.64 : 776,156.70 = 401,554.16 : x
  2. Step 2: Convert to fraction form
    562,425.64/776,156.70 = 401,554.16/x
  3. Step 3: Cross multiply
    562,425.64x = 776,156.70 × 401,554.16
  4. Step 4: Simplify right side
    562,425.64x = 311,668,951,696.87
  5. Step 5: Solve for x
    x = 311,668,951,696.87/562,425.64
  6. Step 6: Final answer
    x = 554,151.39

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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.