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Finding the Fourth Proportional to 531,031.36, 732,822.88 and 292,567.36

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Solution

The fourth proportional to 531,031.36, 732,822.88 and 292,567.36 is: 403,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,031.36 : 732,822.88 = 292,567.36 : x
  2. Step 2: Convert to fraction form
    531,031.36/732,822.88 = 292,567.36/x
  3. Step 3: Cross multiply
    531,031.36x = 732,822.88 × 292,567.36
  4. Step 4: Simplify right side
    531,031.36x = 214,400,055,349.20
  5. Step 5: Solve for x
    x = 214,400,055,349.20/531,031.36
  6. Step 6: Final answer
    x = 403,742.74

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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.