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Finding the Fourth Proportional to 570,506.46, 787,244.40 and 341,018.18

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Solution

The fourth proportional to 570,506.46, 787,244.40 and 341,018.18 is: 470,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,506.46 : 787,244.40 = 341,018.18 : x
  2. Step 2: Convert to fraction form
    570,506.46/787,244.40 = 341,018.18/x
  3. Step 3: Cross multiply
    570,506.46x = 787,244.40 × 341,018.18
  4. Step 4: Simplify right side
    570,506.46x = 268,464,652,503.19
  5. Step 5: Solve for x
    x = 268,464,652,503.19/570,506.46
  6. Step 6: Final answer
    x = 470,572.50

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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.