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Finding the Fourth Proportional to 614,549.80, 922,515.90 and 474,927.40

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Solution

The fourth proportional to 614,549.80, 922,515.90 and 474,927.40 is: 712,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,549.80 : 922,515.90 = 474,927.40 : x
  2. Step 2: Convert to fraction form
    614,549.80/922,515.90 = 474,927.40/x
  3. Step 3: Cross multiply
    614,549.80x = 922,515.90 × 474,927.40
  4. Step 4: Simplify right side
    614,549.80x = 438,128,077,845.66
  5. Step 5: Solve for x
    x = 438,128,077,845.66/614,549.80
  6. Step 6: Final answer
    x = 712,925.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.