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Finding the Fourth Proportional to 595,851.40, 893,777.10 and 315,915.40

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Solution

The fourth proportional to 595,851.40, 893,777.10 and 315,915.40 is: 473,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,851.40 : 893,777.10 = 315,915.40 : x
  2. Step 2: Convert to fraction form
    595,851.40/893,777.10 = 315,915.40/x
  3. Step 3: Cross multiply
    595,851.40x = 893,777.10 × 315,915.40
  4. Step 4: Simplify right side
    595,851.40x = 282,357,950,057.34
  5. Step 5: Solve for x
    x = 282,357,950,057.34/595,851.40
  6. Step 6: Final answer
    x = 473,873.10

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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.