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Finding the Fourth Proportional to 562,294.83, 775,159.78 and 400,869.63

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Solution

The fourth proportional to 562,294.83, 775,159.78 and 400,869.63 is: 552,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,294.83 : 775,159.78 = 400,869.63 : x
  2. Step 2: Convert to fraction form
    562,294.83/775,159.78 = 400,869.63/x
  3. Step 3: Cross multiply
    562,294.83x = 775,159.78 × 400,869.63
  4. Step 4: Simplify right side
    562,294.83x = 310,738,014,199.48
  5. Step 5: Solve for x
    x = 310,738,014,199.48/562,294.83
  6. Step 6: Final answer
    x = 552,624.70

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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.