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Finding the Fourth Proportional to 898,442.56, 1,347,658.40 and 224,520.40

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Solution

The fourth proportional to 898,442.56, 1,347,658.40 and 224,520.40 is: 336,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,442.56 : 1,347,658.40 = 224,520.40 : x
  2. Step 2: Convert to fraction form
    898,442.56/1,347,658.40 = 224,520.40/x
  3. Step 3: Cross multiply
    898,442.56x = 1,347,658.40 × 224,520.40
  4. Step 4: Simplify right side
    898,442.56x = 302,576,803,031.36
  5. Step 5: Solve for x
    x = 302,576,803,031.36/898,442.56
  6. Step 6: Final answer
    x = 336,779.24

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Double scale
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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.