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Finding the Fourth Proportional to 542,962.64, 750,189.96 and 429,114.32

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Solution

The fourth proportional to 542,962.64, 750,189.96 and 429,114.32 is: 592,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,962.64 : 750,189.96 = 429,114.32 : x
  2. Step 2: Convert to fraction form
    542,962.64/750,189.96 = 429,114.32/x
  3. Step 3: Cross multiply
    542,962.64x = 750,189.96 × 429,114.32
  4. Step 4: Simplify right side
    542,962.64x = 321,917,254,556.23
  5. Step 5: Solve for x
    x = 321,917,254,556.23/542,962.64
  6. Step 6: Final answer
    x = 592,890.25

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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.