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Finding the Fourth Proportional to 369,176.40, 553,602.60 and 169,430.40

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Solution

The fourth proportional to 369,176.40, 553,602.60 and 169,430.40 is: 254,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,176.40 : 553,602.60 = 169,430.40 : x
  2. Step 2: Convert to fraction form
    369,176.40/553,602.60 = 169,430.40/x
  3. Step 3: Cross multiply
    369,176.40x = 553,602.60 × 169,430.40
  4. Step 4: Simplify right side
    369,176.40x = 93,797,109,959.04
  5. Step 5: Solve for x
    x = 93,797,109,959.04/369,176.40
  6. Step 6: Final answer
    x = 254,071.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.