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Finding the Fourth Proportional to 249,783.89, 344,281.93 and 189,335.21

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Solution

The fourth proportional to 249,783.89, 344,281.93 and 189,335.21 is: 260,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,783.89 : 344,281.93 = 189,335.21 : x
  2. Step 2: Convert to fraction form
    249,783.89/344,281.93 = 189,335.21/x
  3. Step 3: Cross multiply
    249,783.89x = 344,281.93 × 189,335.21
  4. Step 4: Simplify right side
    249,783.89x = 65,184,689,321.01
  5. Step 5: Solve for x
    x = 65,184,689,321.01/249,783.89
  6. Step 6: Final answer
    x = 260,964.35

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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.