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Finding the Fourth Proportional to 578,666.70, 868,000.05 and 473,604.30

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Solution

The fourth proportional to 578,666.70, 868,000.05 and 473,604.30 is: 710,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,666.70 : 868,000.05 = 473,604.30 : x
  2. Step 2: Convert to fraction form
    578,666.70/868,000.05 = 473,604.30/x
  3. Step 3: Cross multiply
    578,666.70x = 868,000.05 × 473,604.30
  4. Step 4: Simplify right side
    578,666.70x = 411,088,556,080.22
  5. Step 5: Solve for x
    x = 411,088,556,080.22/578,666.70
  6. Step 6: Final answer
    x = 710,406.45

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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.