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Finding the Fourth Proportional to 630,988.10, 946,482.15 and 606,493.70

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Solution

The fourth proportional to 630,988.10, 946,482.15 and 606,493.70 is: 909,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,988.10 : 946,482.15 = 606,493.70 : x
  2. Step 2: Convert to fraction form
    630,988.10/946,482.15 = 606,493.70/x
  3. Step 3: Cross multiply
    630,988.10x = 946,482.15 × 606,493.70
  4. Step 4: Simplify right side
    630,988.10x = 574,035,461,137.46
  5. Step 5: Solve for x
    x = 574,035,461,137.46/630,988.10
  6. Step 6: Final answer
    x = 909,740.55

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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.