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Finding the Fourth Proportional to 651,875.80, 977,813.70 and 178,560.40

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Solution

The fourth proportional to 651,875.80, 977,813.70 and 178,560.40 is: 267,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,875.80 : 977,813.70 = 178,560.40 : x
  2. Step 2: Convert to fraction form
    651,875.80/977,813.70 = 178,560.40/x
  3. Step 3: Cross multiply
    651,875.80x = 977,813.70 × 178,560.40
  4. Step 4: Simplify right side
    651,875.80x = 174,598,805,397.48
  5. Step 5: Solve for x
    x = 174,598,805,397.48/651,875.80
  6. Step 6: Final answer
    x = 267,840.60

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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.