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Finding the Fourth Proportional to 530,699.79, 732,173.38 and 301,124.10

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Solution

The fourth proportional to 530,699.79, 732,173.38 and 301,124.10 is: 415,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,699.79 : 732,173.38 = 301,124.10 : x
  2. Step 2: Convert to fraction form
    530,699.79/732,173.38 = 301,124.10/x
  3. Step 3: Cross multiply
    530,699.79x = 732,173.38 × 301,124.10
  4. Step 4: Simplify right side
    530,699.79x = 220,475,050,096.46
  5. Step 5: Solve for x
    x = 220,475,050,096.46/530,699.79
  6. Step 6: Final answer
    x = 415,442.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.