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Finding the Fourth Proportional to 493,353.40, 740,030.10 and 473,999.80

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Solution

The fourth proportional to 493,353.40, 740,030.10 and 473,999.80 is: 710,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,353.40 : 740,030.10 = 473,999.80 : x
  2. Step 2: Convert to fraction form
    493,353.40/740,030.10 = 473,999.80/x
  3. Step 3: Cross multiply
    493,353.40x = 740,030.10 × 473,999.80
  4. Step 4: Simplify right side
    493,353.40x = 350,774,119,393.98
  5. Step 5: Solve for x
    x = 350,774,119,393.98/493,353.40
  6. Step 6: Final answer
    x = 710,999.70

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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.