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Finding the Fourth Proportional to 219,374.40, 328,802.40 and 93,014.40

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Solution

The fourth proportional to 219,374.40, 328,802.40 and 93,014.40 is: 139,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,374.40 : 328,802.40 = 93,014.40 : x
  2. Step 2: Convert to fraction form
    219,374.40/328,802.40 = 93,014.40/x
  3. Step 3: Cross multiply
    219,374.40x = 328,802.40 × 93,014.40
  4. Step 4: Simplify right side
    219,374.40x = 30,583,357,954.56
  5. Step 5: Solve for x
    x = 30,583,357,954.56/219,374.40
  6. Step 6: Final answer
    x = 139,411.70

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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.