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Finding the Fourth Proportional to 440,062.56, 607,270.64 and 249,071.85

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Solution

The fourth proportional to 440,062.56, 607,270.64 and 249,071.85 is: 343,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,062.56 : 607,270.64 = 249,071.85 : x
  2. Step 2: Convert to fraction form
    440,062.56/607,270.64 = 249,071.85/x
  3. Step 3: Cross multiply
    440,062.56x = 607,270.64 × 249,071.85
  4. Step 4: Simplify right side
    440,062.56x = 151,254,020,510.13
  5. Step 5: Solve for x
    x = 151,254,020,510.13/440,062.56
  6. Step 6: Final answer
    x = 343,710.27

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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.