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Finding the Fourth Proportional to 283,061.90, 390,459.54 and 181,050.14

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Solution

The fourth proportional to 283,061.90, 390,459.54 and 181,050.14 is: 249,743.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,061.90 : 390,459.54 = 181,050.14 : x
  2. Step 2: Convert to fraction form
    283,061.90/390,459.54 = 181,050.14/x
  3. Step 3: Cross multiply
    283,061.90x = 390,459.54 × 181,050.14
  4. Step 4: Simplify right side
    283,061.90x = 70,692,754,381.34
  5. Step 5: Solve for x
    x = 70,692,754,381.34/283,061.90
  6. Step 6: Final answer
    x = 249,743.09

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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.