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Finding the Fourth Proportional to 461,089.50, 636,303.51 and 249,121.50

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Solution

The fourth proportional to 461,089.50, 636,303.51 and 249,121.50 is: 343,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,089.50 : 636,303.51 = 249,121.50 : x
  2. Step 2: Convert to fraction form
    461,089.50/636,303.51 = 249,121.50/x
  3. Step 3: Cross multiply
    461,089.50x = 636,303.51 × 249,121.50
  4. Step 4: Simplify right side
    461,089.50x = 158,516,884,866.47
  5. Step 5: Solve for x
    x = 158,516,884,866.47/461,089.50
  6. Step 6: Final answer
    x = 343,787.67

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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.