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Finding the Fourth Proportional to 474,580.50, 712,045.71 and 249,931.86

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Solution

The fourth proportional to 474,580.50, 712,045.71 and 249,931.86 is: 374,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,580.50 : 712,045.71 = 249,931.86 : x
  2. Step 2: Convert to fraction form
    474,580.50/712,045.71 = 249,931.86/x
  3. Step 3: Cross multiply
    474,580.50x = 712,045.71 × 249,931.86
  4. Step 4: Simplify right side
    474,580.50x = 177,962,908,705.32
  5. Step 5: Solve for x
    x = 177,962,908,705.32/474,580.50
  6. Step 6: Final answer
    x = 374,989.93

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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.