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Finding the Fourth Proportional to 384,510.48, 576,779.57 and 144,602.39

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Solution

The fourth proportional to 384,510.48, 576,779.57 and 144,602.39 is: 216,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,510.48 : 576,779.57 = 144,602.39 : x
  2. Step 2: Convert to fraction form
    384,510.48/576,779.57 = 144,602.39/x
  3. Step 3: Cross multiply
    384,510.48x = 576,779.57 × 144,602.39
  4. Step 4: Simplify right side
    384,510.48x = 83,403,704,325.17
  5. Step 5: Solve for x
    x = 83,403,704,325.17/384,510.48
  6. Step 6: Final answer
    x = 216,908.79

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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.