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Finding the Fourth Proportional to 611,117.10, 916,675.65 and 599,307.30

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Solution

The fourth proportional to 611,117.10, 916,675.65 and 599,307.30 is: 898,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,117.10 : 916,675.65 = 599,307.30 : x
  2. Step 2: Convert to fraction form
    611,117.10/916,675.65 = 599,307.30/x
  3. Step 3: Cross multiply
    611,117.10x = 916,675.65 × 599,307.30
  4. Step 4: Simplify right side
    611,117.10x = 549,370,408,777.25
  5. Step 5: Solve for x
    x = 549,370,408,777.25/611,117.10
  6. Step 6: Final answer
    x = 898,960.95

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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.