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Finding the Fourth Proportional to 402,851.60, 604,277.40 and 377,968.40

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Solution

The fourth proportional to 402,851.60, 604,277.40 and 377,968.40 is: 566,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,851.60 : 604,277.40 = 377,968.40 : x
  2. Step 2: Convert to fraction form
    402,851.60/604,277.40 = 377,968.40/x
  3. Step 3: Cross multiply
    402,851.60x = 604,277.40 × 377,968.40
  4. Step 4: Simplify right side
    402,851.60x = 228,397,762,034.16
  5. Step 5: Solve for x
    x = 228,397,762,034.16/402,851.60
  6. Step 6: Final answer
    x = 566,952.60

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1.5x scale

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.