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Finding the Fourth Proportional to 272,280.30, 375,746.76 and 153,048.30

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Solution

The fourth proportional to 272,280.30, 375,746.76 and 153,048.30 is: 211,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,280.30 : 375,746.76 = 153,048.30 : x
  2. Step 2: Convert to fraction form
    272,280.30/375,746.76 = 153,048.30/x
  3. Step 3: Cross multiply
    272,280.30x = 375,746.76 × 153,048.30
  4. Step 4: Simplify right side
    272,280.30x = 57,507,402,848.51
  5. Step 5: Solve for x
    x = 57,507,402,848.51/272,280.30
  6. Step 6: Final answer
    x = 211,206.62

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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.