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Finding the Fourth Proportional to 598,920.70, 898,381.05 and 549,931.90

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Solution

The fourth proportional to 598,920.70, 898,381.05 and 549,931.90 is: 824,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,920.70 : 898,381.05 = 549,931.90 : x
  2. Step 2: Convert to fraction form
    598,920.70/898,381.05 = 549,931.90/x
  3. Step 3: Cross multiply
    598,920.70x = 898,381.05 × 549,931.90
  4. Step 4: Simplify right side
    598,920.70x = 494,048,397,750.50
  5. Step 5: Solve for x
    x = 494,048,397,750.50/598,920.70
  6. Step 6: Final answer
    x = 824,897.85

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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.