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Finding the Fourth Proportional to 570,509.46, 787,248.54 and 341,021.18

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Solution

The fourth proportional to 570,509.46, 787,248.54 and 341,021.18 is: 470,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,509.46 : 787,248.54 = 341,021.18 : x
  2. Step 2: Convert to fraction form
    570,509.46/787,248.54 = 341,021.18/x
  3. Step 3: Cross multiply
    570,509.46x = 787,248.54 × 341,021.18
  4. Step 4: Simplify right side
    570,509.46x = 268,468,426,064.08
  5. Step 5: Solve for x
    x = 268,468,426,064.08/570,509.46
  6. Step 6: Final answer
    x = 470,576.64

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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.