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Finding the Fourth Proportional to 630,813.60, 947,106 and 602,247.60

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Solution

The fourth proportional to 630,813.60, 947,106 and 602,247.60 is: 904,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,813.60 : 947,106 = 602,247.60 : x
  2. Step 2: Convert to fraction form
    630,813.60/947,106 = 602,247.60/x
  3. Step 3: Cross multiply
    630,813.60x = 947,106 × 602,247.60
  4. Step 4: Simplify right side
    630,813.60x = 570,392,315,445.60
  5. Step 5: Solve for x
    x = 570,392,315,445.60/630,813.60
  6. Step 6: Final answer
    x = 904,216.90

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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.