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Finding the Fourth Proportional to 403,254.60, 604,881.90 and 277,283.40

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Solution

The fourth proportional to 403,254.60, 604,881.90 and 277,283.40 is: 415,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,254.60 : 604,881.90 = 277,283.40 : x
  2. Step 2: Convert to fraction form
    403,254.60/604,881.90 = 277,283.40/x
  3. Step 3: Cross multiply
    403,254.60x = 604,881.90 × 277,283.40
  4. Step 4: Simplify right side
    403,254.60x = 167,723,709,830.46
  5. Step 5: Solve for x
    x = 167,723,709,830.46/403,254.60
  6. Step 6: Final answer
    x = 415,925.10

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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.