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Finding the Fourth Proportional to 598,277.80, 897,416.70 and 385,701.40

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Solution

The fourth proportional to 598,277.80, 897,416.70 and 385,701.40 is: 578,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,277.80 : 897,416.70 = 385,701.40 : x
  2. Step 2: Convert to fraction form
    598,277.80/897,416.70 = 385,701.40/x
  3. Step 3: Cross multiply
    598,277.80x = 897,416.70 × 385,701.40
  4. Step 4: Simplify right side
    598,277.80x = 346,134,877,573.38
  5. Step 5: Solve for x
    x = 346,134,877,573.38/598,277.80
  6. Step 6: Final answer
    x = 578,552.10

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Double scale
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Similar ratio
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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.