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Finding the Fourth Proportional to 698,967.95, 1,048,671.98 and 249,678.86

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Solution

The fourth proportional to 698,967.95, 1,048,671.98 and 249,678.86 is: 374,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,967.95 : 1,048,671.98 = 249,678.86 : x
  2. Step 2: Convert to fraction form
    698,967.95/1,048,671.98 = 249,678.86/x
  3. Step 3: Cross multiply
    698,967.95x = 1,048,671.98 × 249,678.86
  4. Step 4: Simplify right side
    698,967.95x = 261,831,217,988.59
  5. Step 5: Solve for x
    x = 261,831,217,988.59/698,967.95
  6. Step 6: Final answer
    x = 374,596.89

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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.