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Finding the Fourth Proportional to 570,420.24, 787,551.30 and 366,549.72

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Solution

The fourth proportional to 570,420.24, 787,551.30 and 366,549.72 is: 506,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,420.24 : 787,551.30 = 366,549.72 : x
  2. Step 2: Convert to fraction form
    570,420.24/787,551.30 = 366,549.72/x
  3. Step 3: Cross multiply
    570,420.24x = 787,551.30 × 366,549.72
  4. Step 4: Simplify right side
    570,420.24x = 288,676,708,500.64
  5. Step 5: Solve for x
    x = 288,676,708,500.64/570,420.24
  6. Step 6: Final answer
    x = 506,077.25

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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.